See How To Advertise. Lifeline Battery is one of the manufacturers we carry that does promote equalizing their batteries. Hi Abdul, yes most probably it could be due to low batt, because a welding inverter is supposed to draw heavy current and in the process the battery may drain relatively quicklyyou can verify it with a voltmeter and possibly keep a voltmeter permanently connected with the system. Thank you Sherafudeen, you can try any of the first 3 circuits in the above article, and replace the 48 V battery with your 70 V battery. Nevertheless, I am very glad the above circuit is working for you. Boating Magazine may receive financial compensation for products purchased through this site. Requires low maintenance and has a spill-proof body. So now it looks like I need to buy and install a new battery charger. My question is wat can be d problem, bcos am thinking maybe the battery is low. Please suggest me a design to get 5-7A 52V supply to charge my battery pack using 1st or 3rd circuit diagram. BatteryStuff TechArt we recommend picking a charger that has an amp rating that is 10% of the total amp/hr. BatteryStuff TechYes, it looks like a very nice NiMH and NiCD battery charger. I connected the charger to the battery and after some time it started to make a bubbling boiling sound. But it is recommended to purchase both inverter & battery from same manufacturer or brand. Order) Full-size ad | e-Magazine | iPad app. BatteryStuff TechNot every smart charger will have the voltage ramp up. We recommend you to go for Luminous Zelio 1100 + RC 18000 150 ah battery. Sir pls i have not seen the answer to that pin 14 and pin 10, that capacitor is it the one of polarity which pin is negative and positive please sir help me/. It also has extremely high purity, corrosion-resistant proprietary spine alloy composition with a balanced plate design which improves deep discharge recovery and charge acceptance. Its a monster battery pack I know but Im hoping to achieve recharge in a day or less. So going off the battery is a better choice! However, when you calculate that back to the battery it is pulling 23.18 Amps an hour! Ive simulated the 2nd circuit and designed for 110A fixed current. Im trying to ascertain the best and best quality smart charger to buy from you for my motorcycle but have wondered if I need to worry about the fact that I live in a rural area with a lot of power surges. Hello.I want to build the last circuit. In todays world, our life is pointless without electricity. Thank you very much for your help. Hi Suman, you can use two such circuits and use them for charging the two batteries separately. By putting a 50 Amp charger on such a large battery bank the charger will most likely fail prematurely due to being overworked. BatteryStuff TechIf your 48 volt system is used as a single unit, its best to charge it altogether the same way. i other word can i use first circuit for a battery backup which is standby ? This is just a general recommendation for anyone who doesnt want to think much and needs a good performance. Harry CookI want to get a fast smart charger for my Jazzy wheelchair that has two 12 volt 35 amp deep cycle batteries. It is of little high cost but provides the best value for money and perfect per 3+ BHk Homes. However, the closest we carry is an Eagle 72v 12 amp charger. Battery Water Everything you need to know, 4+ Reasons why your inverter battery gets hot (And how to fix it ?). 10 Best inverter battery for home in india 2023, Luminous Zelio 1100 + RC 18000 150 ah battery. Would really appreciate your help and guidance. Your circuit all set now. A varied Rx between many different values and didnt observe any consistent changes in the current being fed to the battery pack. So, I started to do my research for the best inverter battery for home inverters in India. If two or more charge controllers charge the same battery, the battery will be charged quicker. In remote control, it is popular among pontoon boaters in particular, and commonly installed on pontoons used on neighborhood lakes requiring electric propulsion. These features made this best suitable for long and frequent power cuts. However, it is not on the same level as high performance AGM batteries, such as Odyssey or Optima. Hi hello mr swagatam. It will float charge 2 lead acid starting batteries, one generator starting battery, and a house bank consisting of (6) 220AH 6V golf cart batteries connected series-parallel (The house system is 110-120VAC). My name is Lon makinde.im extremely happy to hear for you.i would need your help please. My suggestion would be to use two calculators to first select your correct battery. If the supply is switched ON first, the opamp would sense a high voltage at pin#2 and switch OFF the mosfet, which would then disable the battery charging permanently until the input supply is switched OFf and ON again. Nominal Voltage: 12 volts 11. Your recently viewed items and featured recommendations, Select the department you want to search in. I know now the zener at pin 3 is working properly. Please note that during actual operations, the above circuit will remain functional only as long as a battery stays connected at the shown points, without a battery the circuit will not detect or respond. i dont want to full charge my battery I just want to charge it upto 80% can you suggest best cut-off voltage 42 or 43 ? Charger for my e bike from Walmart online recently. They help you find out if there are any major problems with the product, experience of other customers before purchasing the one. More a case of being curious how intelligent chargers work if youre taking load at the same time? Full charge cut off should be at 57 V, or 56 V will also be OK. Now you may think that is more amperage than using the inverter, which draws 100-240VAC @ 2.1 Amps. DC MONT 12V 135AH 220AH 300AH Lithium Iron Phosphate Battery LiFePO4 Deep Cycle AU $629.95 Save up to 7% when you buy more. Battery is leaking acid. It depends on the amount of load you put on the battery. Charger is a noco genius 4 bank (40 amp total). In these cases, a simplelow current chargerwill work fine. / Help Me Before Termites Collapse My Building, Links: (1) (2) (3) (4) (5) (6) (7) (8) (9) (10). I have a Yuasa 1.5 Amp 5 Stage Battery Charger. thank you Sir, so the output of my existing charger will become the input voltage of the 2nd circuit Sir? BatteryStuff TechHarry, we do carry a few mobility chargers that are of good quality and below a $100 as of today's pricing. BobVery Informative page.I have a question regarding charge/absorption on a 24 volt battery bank. I have recently upgraded my batteries to sears DH premiums 31m (AH 20/hr rate-100/capacity AH10hr/rate-92; CCA-1150; RC-205. Amaron Inverter 150AH Tall Tubular Battery is compatible with all the inverter brands available in India. the first question that i asked before about the value of the CT and RT u have answered me that i should try any value but the pin 14 and 10 i did not know its polarity please help me sir or i should try any polarity? If your trying to design a system to supplement energy coming off the batteries then I suggest reading our article Solar Systems the Right Way. The thing is I am not to bright in the electronics field . The 22k perset and 10K feedback line can be replaced with a fixed 100K resistor. Web36 Volt Golf Cart Charger for EZGO,with Trickle Charge,Smart Portable Charger,5-8 Hours Full Charge,18 Amp Golf Cart Battery Charger 4.2 4.2 out of 5 stars (60) $229.95 $ 229 . GPS unit (12VDC not sure, but probably very low draw and only for 5-10 min no more than 2x/night) thank you, the first circuit is the easiest and the best one, although it is designed only for full charge cut off. It is best suited for places with uneven power cuts. Thanks. For a recommendation I would suggest contacting our tech department via the contact us page. What did you think I did wrong? thank you so much sir for your help. of red,green,yellow LED, and which NPN transistor# to replace BC549? Just make sure your connects are correct. Email address should be formatted user@domain.com. Time to let another owner enjoy this. Easily plugs into the vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage. Most Popular Motor: Torqeedos Cruise 10 ($8,999) puts out 10 kW, or about 14 hp, but performs comparably to a 20 hp outboard thanks to Torqeedos software. Thanks SwagatamWould it be hard to set this design up for 12 volts?Could the self regulating design be tweaked to shut off high and turn on low?CarlBTW where are you located? total voltage 48. ami ei page er 1st diagram ta toiri korbo thik korechi, etay to Hi voltage cut off ache, kintu 12 volt er battery te full charge hole 14.2 volt hoy, se karon e mot voltage hobe 56.8 volt ba pray 57 volt, ei circuit daigram e sei voltage e cut off kor jabe to ? Performance Data WebSulphation always comes with a permanent loss of capacity. Created on October 21, 2011, Last Modified on August 24, 2022, For Questions and Tech Support, please submit your question with our, Read Knowledge Base in RSS news reader with. But, for some reason, the inverter started beeping and the entire houses power was down. Your email address will not be published. Hello Sir, Request Sir can you refer a circuit for the following situation I have two battery packs, Let us assume one of them is charged. The stock rides on a mil-spec tube with H2 buffer. i have try N-channel and P-channel both. weve just determining the battery charged by using battery load tester and hydrometer tester.what Battery Compatibility: Compatible with any lithium-ion or AGM battery bank providing 48 volts, the Torqeedo can only operate in smart mode, measuring discharge, heat and other factors to Chargers: An MK 345 PC Precision Charger ($449.99) provides three-bank charging at 15 amps per bank. )charger on for long periods of time. Is a 1.5amp trickle charger large enough to maintain charge? Instead of p-channel mosfet you can use an N-channel on the ground side line of the circuit. Circuits for Beginners | Basic Circuits | LED Driver | Hobby Circuits | Transistor Circuits, New-Projects|Privacy Policy | About us | Contact | Disclaimer | Copyright | Videos, Last Updated on September 9, 2022 by Swagatam 332 Comments. How to calculate the capacity of the inverter (VA rating calculator)? Hello Sunil, you must use an smps or transformer based voltage step down regulator, scr is not recommended. Description PDW STOCK KIT FOR LWRCI PISTON RIFLES Add this PDW stock Should contain only letters, numbers, and (' - .)! If you are running that for 8 hours, then your total wattage used will be 5,520 watts. Much appreciated! However, youll only be able to make the perfect choice for yourself, once you have some knowledge about inverter battery and your household needs. Just make sure the charger is compatible with VRLA batteries (AGM if they are sealed batteries). Bcos it as damage 2 dc fan. Lithium-ion batteries are also compatible in comparable volts and amps. Hi Carl, there are plenty of similar circuits published in this website which you you can refer and customize as per your preferencesall of these employ opamps are self regulating type and the distance between the full charge and low charge can be adjusted as desired. Several places in your material and others Ive read, the statement is made that one should get the highest Ah rating they can. Im going to have to upgrade to a 4-bank charger to do this. my question is, can i do, with this circuit 48V battery disconnect? Do you have any suggestions? Yes, I charged them all night before the first fishing day. Thanks for the response, but the second circuit does not have overcharge cutoff and low level feature. thats perfect, If the green LED i getting OFF it means the opamp is correctly responding to the fully charge level, and the mosfet must also switch OFF in this state. So, if there is a power cut, it will automatically switch to battery mode. The resistornetworkat pin#2 along with the preset forms a voltage divider network which is initially adjusted such that the voltage at this pin stays below the voltage level at pin3, which is the reference voltage set at 4.7v by the zener diode. Caring for it is neither rocket science nor it requires a lot of time investment. Your battery should not be hot to the touch, so the charger could be malfunctioning, or the charger is attempting to charger a battery that cannot accept a full charger and is not timing out. but mossfet drain and source voltage is 42V. Hi Virapong, To ensure the LEDs do not light up together we have to use LEDs with different forward voltage specifications. Just a quick thought before I make myself sound stupid by saying I can solder but thats about it lol could I get a permanent magnet wind turbine generator the 48v version and boltbthat to the engine and run it through a wind turbine regulator I could be realy wrong but just thought the only diference is its my engine driving the motor rather than the wind. Like I say just a thought lol i can repair most electronic or electrical things but dont realy understand the ohms law thing i like working on circuit boards but wouldnt know where to get a circuit board from like you have in your pics with nothing soldered onto it to start with. Will it harm it to use the Normal mode for charging or do I have to use the AGM mode? Please check the voltage across the C/E and B/E of the BC547, this will verify the actual conditions. Its not listed anywhere on the battery itself, nor is it on the invoice. But the internal combustion engines invented in the late 1800s were more powerful and convenient, and with the exception of Elco electric motors, electric power fell away in popularity. I still dont get it. Inverter with a 2kwh lithium battery is not just an inverter battery but a full power backup system by Loom Solar. I once again truly appreciate your remarkable support, 1) In 5th Circuit what is the details of PNP transistor (Other than BC546 & BC547)? I dont have that much experience with batteries. It is corrosion resistant and is designed for consistently high performance. The voltage will not spike to 15 or 16 volts when the battery should be kept at 13.2. Keep reading! All rights reserved. pleas i want price of productsTubular Battrey 12v 100ah, 12v 150ah, 12v 200ah. 930 marine cranking amps, 145 minutes reserve capacity, 75 amp-hours. I hope that helps! Or 10 amps total of all three banks? Normally, you will have to refill the inverter battery every 3-4 months. Thanks In Anticipation. The other main reason to equalize a battery is to cause the sulfation to dissolve back into the electroylte, however not all AGM battery manufacturers recommend this processes, as some AGM batteries are not meant to withstand this type of charge. What do you recommend we buy? Read Next: ePropulsion Lithium Iron Batteries. AC. Swagatam says. I also cannot spend hundreds of dollars on one. So that now newly charged battery from generator is used by motor and the other one starts charging. it also comes with 60 months warranty on the battery, which is much longer than most competitors offer! Swagatam says. Thanks, Hi Segun, Rx is near the battery in the last diagram . The only way it can burn is if Rx is faulty or open, in which case the entire voltage from the fet can enter the BC547 base and burn it. Thank you Leon, Which schematic did you use for your 48 V charger? BatteryStuff TechIdeal charging amperage for both the charger and the battery is about 10% of the batterys Amp/Hr rating. To make the best choice out of the top 10, we will have to understand our unique needs with the inverter battery. I am using the last circuit from the top (i.e 4th circuit) for 12V upto 200ah batt with xformer 15v/50A. Inquire Now. Input Voltage DC 58. will it work with this circuit that you gave me ? Great site by the way, we have nothing similar in the UK which is where w are based, but the electrical info is international! This will prevent the op amp offset voltage from reaching the BC546 base and false triggering. You will need an SMPS circuit for that, as given in the following example: https://www.homemade-circuits.com/smps-2-x-50v-350w-circuit-for-audio/, Hell Mr Swagatam, I have a 48v / 25Amp Lead Acid battery charger for a Golf Cart. It's a lengthy and confusing procedure, better to check it practically by attaching a 1k resistor across it's gate and positive, and confirming a lamp activation across its drain and ground by touching its gate to ground. Special Hybrid Alloy System Leading To Low Water Loss. My Landlord Has Removed The Roof Of My Apartment, My Landlord Broke Into My Apartment When I Travelled. Most Popular Motor: The Vantage ($1,549.99) is not Minn Kotas most popular motor, but its a top contender in the boat market where electric propulsion is desired or required. Now, amps is a completely other story. Thats all, now you can set it up as described. What type of mosfet will I use via third circuit, OK, in that case you can use a IRF9540 mosfet, Hello sir, I want to construct a 48v automatic battery charger and my battery rating is 12v 100ah via ur third circuit what type of mosfet will I use. 8 amps would be my recommendation. They sent me the wrong one. If the battery is also heating up that could elude to a bad battery not being able to accept the charge, and it might be time to replace the battery. What do I need to do a good job. i played with 100K pot till, where output of the OPAMP just switch to low logic.2-) then i experimented the curcuit at 43V, it was cutting output of the OPAMP, to low logic and at 47V, it was again reconnecting(making high logic output). Apply the higher threshold level across the above mentioned points and adjust the 10K preset such that the RED LED just switches ON. How would I charge both systems with like a 2 or 3 bank 12v charger. You will find mountable, and portable chargers depending on your need. This problem will need to be checked practically, I cannot judge the fault without checking it. Gud day sir, I av 2000watt stabilizer transformer, I want to use the transformer for 1kva inverter, when I calculated it d primary currently is 4.5amp while d secondary current us 83amp but I dnt no size of copper Guage to use, Hi Abdul, you can use the trafo for inverter purpose, but for inverter the mentioned specs for primary will become for the secondary and vice vers.wire size is not important, the measured are enough for the verification, I did get u sir, what I mean is Dat I want design a 1kva inverter using 2000watt stabilizer transformer. He also said something about running the battery down all the way and then charging itwhich may be another old wives tale and would be very inconvenient as I would be stuck out there on the lake somewhere with no power if I did that. 0 As soon as you get them we can proceed with the construction, of course i am assuming that you know all the basics such as soldering, resistor color codes, mounting parts on pcb etc. i am making a go kart, planning to connect 4 12v 80Ah VRLA batteries in series. I tried adding diodes, capacitor as you said but no luck can we replace mosfet with relay ? The most important thing is to make sure you have enough charger power to do the job you require in the time you allocate. The setting up of the circuit is over and done. RichardI have an UB121000 12V 100AH Absorbant Glass Mat battery and Im wondering if you can recommend me a good charger for it please? Between an ordinary inverter (square wave) and modified sine wave inverter,which one consumes less energy or power from the battery will no noise? The LEDs can never get damaged due to the presence of 4k7 resistors. If I was to buy a higher powered 12V charger (e.g. Moreover the collector resistance of BC547 is 22k, which is very high. Any thoughts? With high threshold the red led came up but became brighter when I adjusted he 10k preset ok. This camper is only 2 years old & has not been used much at all. In a developing nation like India, we still face power cuts from time to time and hence an inverter is very important for every household. Here are some tips that you should keep in mind to ensure better battery life: Batteries are the main part of an inverter. Best Battery: Battery banks from Lithionics are most commonly selected for new builds, and an EP-12 Victron AGM Deep Cycle 12V/220Ah bank is ideal ($5,409). Yashvardhan, if your battery level indicator is fluctuating due to an actual drop in battery voltage while throttling then that cannot be corrected, because if the battery voltage drops suddenly and rises then the indicator will also show corresponding sudden drop and rise in its reading.so first yu will have to investigate why the indicator is fluctuating, is it due to actual battery voltage drop or due to some other reason such as RF disturbance or noise spikes? Allen DorakI just purchased a new V Star Custom 650. Forward, neutral, reverse, and power trim to raise it are easily accessible on the tiller of this 24-volt motor. BatteryStuff TechIdeally, we recommend going with a 15 amp per bank charger which equates to a 30 amp charger for the larger group 31 batteries. All the chargers we stock are reviewed, tested and selected based on function, reliability and durability. I believe that the battery I received was an AGM, but Im not sure. Dont use tap water as it has impurities that will affect badly. Morris, it is not about whether a square wave is used or a sine wave PWM is used, it used about how much average current the mosfets are able to deliver to the transformerthat decides the overall wattage capacity of the inverter. KevinHello. They also get heated when they are being used or charged but they are not something to be afraid of. Going through the questions and answers below, It seems you recommend using N-Channel Mosfet instead of P-Channel as given in the circuit. i recieved some inconsisten results on my new boat battery. IDM Members' meetings for 2022 will be held from 12h45 to 14h30.A zoom link or venue to be sent out before the time.. Wednesday 16 February; Wednesday 11 May; Wednesday 10 August; Wednesday 09 November The smaller version of the is already tested. Mainstream power includes two large outboards boasting 1 kW (about 1.35 hp) and 3 kW (about 4 hp) power, two pod drives of the same output, and the most popular portable Spirit 1.0 Plus. Is it possible to use a series of diode to make my 59vdc regular charger limit its output to 57vdc so that i could use it with your 2nd circuit above? Some folks wanting quick recharge should look for a charger with more amps, such as a golf cart charger. WebIt's time-consuming. WebANCEL VOD700 All System OBD2 Scanner for Volvo Car ABS Bleeding Injector Oil ETC SRL BMS EPB TPMS DPF Reset Tool 95 Always keep the battery in an open and airy space. Absolutely. you kind response will be highly appreciated.regardsjohn. I connected the battery (slightly undercharged at 35 volts) and then connected the terminals for the supply and heard a pop from the circuit. Replace BC546 with BD241C Make sure to feed 84 V DC to the emitter of TIP36. To calculate your total charge time for a battery, a good rule of thumb is to take the amp hour rating of the battery and divide by the charger rating (amps) and then add about 10% for the extra time to totally top off the battery. BatteryStuff TechJames, some batteries can take an amp rating up to 25% of the battery packs AH rating if using a smart charger. then i connect to hysteresis link 100K and reduced to sample voltage 43V . I will suggest you to first test the circuit at 12V using the same components as given in the diagram and check whether the circuit works in 12V or not. Also, looking for right size inverter to handle the task along with good battery charger. Torqeedo provides completely integrated motor, battery and controls. Still other places, Ive read that it is better to draw down the battery less (5-10% of capacity) to increase the lifespan of the battery. Hello Wan, The first circuit is fine, but the last circuit is the best one. If you use them with proper care they can even last up to 7 years. AC cannot be used as the voltage source. For Solar pawer-UPS- Inverter. i would like to make a variable resistor controlled shut off . Yes, the circuit will shut off the supply to the battery automatically as soon as it reaches the set full charge level. BatteryStuff TechIf you have a charger that you can set the voltage depending on the stage, I would suggest talking to the manufacturer of the batteries, so you can charge them based off their recommendation. Order) Full-size ad | e-Magazine | iPad app. You may go ahead and make the second design for the intended operations, in fact you could even try the first circuit for the same, using an N channel would make the design much easier to configure as could be witnessed by comparing the above schematics. Compare Product. Livsip Outdoor Furniture Sofa Set Garden Lounge Patio Furniture ATEM POWER 110W 12V Flexible Solar Panel Mono Shingled Battery Charging Caravan AU So I have been looking for ways to maybe make m own charger . By the way for a 48V battery the full charge level should be 56V. WebANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery Tester Digital Analyzer Bad Cell Test Tool for Car/Boat/Motorcycle and More. WebThe battery provides 225 amp hours for twenty hours. Quick-detach sling mounts are built in. 1) Initially keep the slider of the preset fully towards the ground line. Gone through the great article, will build the last design, test and let you know. Please take a look at our 12 volt battery chargers. Thank you Sir. BatteryStuff Techspan class="caps">AGM Batteries have the electrolyte absorbed into the fiberglass matting so stratification is not a concern with these batteries, such in wet cells where the acid can separate from the water. Hello, Please can you help me to get a simply 30A mppt solar charger schematic? I dont get it!! The other day I went to charge it and it was very low 9% according to the charger. This is safe, harmless, and effective in restoring battery life when used regularly. 102 0 obj <>stream Thanks for your feedback, I was able to get the charging current to change according to your equation. IRF9540 is p channel device and will work, but you will have to swap the input pins of the op amp, and connect the battery across drain and ground of the circuit. My question is: Will a 24V/13A charger do the job on recharging my setup? DC MONT 12V 135AH 220AH 300AH Lithium Iron Phosphate Battery LiFePO4 Deep Cycle AU $629.95 Save up to 7% when you buy more. If I do practically does it work? I did some more trouble shooting and it turns out its the BC547s that are burning out. Therefore, if you are using a 1.5 amp charger, I think that will be okay as long as your current battery is no more than 50 Amp Hours. You wont have to worry about it dying on you when you need it most or having to wait hours before charging again. This system has a 2kva inverter + 2KWh lithium battery. I would suggest looking at our 3-Bank marine chargers and if you have any questions you can always contact our tech department. A Renogy 1000 W inverter. jaza abdul (Weeks??) Glad its working Nathanael! Now reconnect the 22k preset link back into position. Im assuming the Rx=0.6/(max current) is somehow derived from equations regarding the BC547? WebLWRC designed their own for the M6IC.LWRC's Compact Stock is a holy union that combines the cheek-weld of a SOPMOD, the negative pitch endplate of a VLTOR, and the lightness of an M4 stock. You can check the proceedings as explained above with a multimeter. I think you should try the second circuit first which is much simpler, the low voltage restoration can be added by adding a feedback link from pin#6 to pin#2, Thanks Swag So, P-channel MOSFET what part Not can I use if I am to convert the circuit to 12V up to 200AH battery charger with current limit = 30A. Paul MulvennaExcellent article. Maybe your batteries dont have the capacity to handle the motor for as long as you thought. And is 48v system. i have a regular charger with 60vdc output @ 2.8amp for ebike 48v 20ah, (4x12v). Mr Swagatam Majumdarthank you for helping and directing me to the right path ! I had sent you the screenshot of my simulation through mail. Elcos inboards range from EP 6 to EP 100, with horsepower equivalents from 6 to 100. This happens the same on the standard setting with a lead acid battery. Im using the battery for a trolling motor. i have a question . No current limit as long as battery temperature remains below 125F (51.7C). Red ChildressThanks for the info. https://www.homemade-circuits.com/2016/01/high-voltage-360v-battery-charger.html, remove all the 22k resistors, remove the 15V zener and replace the 741 IC with LM321 IC, I require 48v 30amps solar current controller circuit diagram of 12*4150ah batteries. volts that the AGM batteries should be charged at? There is no golden rule. Save my name, email, and website in this browser for the next time I comment. They require high maintenance and are outdated nowadays. Larger outboards use 48-volt external batteries. Regarding this , you advised to remove 22k resistors and the 15v zenner connected to pin#7 of 741 IC. Best Battery: The Torqeedo 48-5000 (5,000 Wh) lithium-ion battery ($5,159) is rated IP67 waterproof; connecting two or more in parallel extends the range. Please help us in designing this. Abdul, only voltage will need to be controlled, not current. Though you mentioned about the circuit to have been modified , It still shows mosfet to be p-Channel, Can you clarify on this , If possible upload the modified circuit too (for 12V battery (max 14.5v)) . Referring to the second circuit from top, the BC547 has no chance of burning because its collector emitter is clamped and protected at 4.7V by the zener, and its base is almost connected to the ground via RX. WebFor example, if you have 40 full-time employees and 3 incidents that resulted in lost time, your calculation would look like this: (3 x 200,000) / 80,000 (40 employees x 40 hours per week x 50 weeks per year) Your Lost Time Incident Rate would be 7.5, which means that for every 100 employees, 7.5 have experienced lost time due to an incident. yes it can, in the first circuit from the above article, the circuit will rapidly switch ON/OF when battery voltage reaches the set full charge threshold say 14V and drops to 13.9V.this gap can be increased to any desired value simply by adding a calculated resistor across the pin6 and pin2 of the IC, i want to build a cutoff circuit for 48v battery charger of battery 400ah please give me the component list, you can use one of the above designs, it will work. And I want to wind it myself. you can check out the top sidebar section for getting all the links related to automatic battery chargers. Everything is 12V. It depends on the amount of use. I really need it mr sir swagatam.. thanks again, Engineer Swagatam, thanks i ve gotten the capacitor thanks God bless u. I would recommend the second circuit, so p-channel wont be required, Hi Sir, what is the minimum and maximum input voltage i could use in the second circuit above? Similarly when green is ON, yellow will be off. But standard AC plug-in chargers are micro processor controlled, there is no need for any additional controlling. Seal the adjusted preset with some glue. However, even with a 10k the modern LED can light up brightly. Yes the 0.6 value is the approximate full switch ON base voltage for the BC547, hai sir i want to use this circuit for 12v 17ah battery. BatteryStuff TechWith smart chargers, if they are on and charging and they sense a load applied to the batteries, they will automatically attempt to supply the load so the batteries will not be discharged. Most chargers are not rated to handle a full load and they can burn out. 2) Current Controlled Version of the above Design, Simple 48 V 100 Ah charger Circuit using OP Amp and TIP142, 48V Solar Battery Charger Circuit with High/Low Cut-off, Sec Exciter Powered HV Capacitor Charger Circuit, https://www.homemade-circuits.com/?s=3+led+battery+indicator, https://drive.google.com/drive/folders/1IwUWKo0iokZyZorTf6aLDv4pROwCWH5b?usp=sharing, https://drive.google.com/file/d/1B6RqzOt4zXhgb2EaXTuYvzvxNQYlyrfY/view?usp=sharing, https://drive.google.com/file/d/134I7rcKkjzTLW9wxrS2MFvG2o880ZQV2/view?usp=sharing, https://www.homemade-circuits.com/3-led-battery-level-indicator-circuit/, https://www.homemade-circuits.com/0-300v-variable-voltage-current/, Small Signal Transistor(BJT) and Diode Quick Datasheet. Thanks again. The shown preset can be used for adjusting the cut off threshold at 37V precisely. Remember, for any circuit you should first thoroughly understand its working, only then you will be able to built it successfully and troubleshoot it without depending on me. EdHelp! When I tested it is working properly after a week later later I tested is jst starting but no melting the electrode as before. Thanks in advance. I have a Schumacher charger that has a setting for this type battery. :). What im trying to set up is; at 43VDC battery should dissconnect the load and when battery level reach 46VDC or 47VDC battery should re-connect to load. But, every other battery is also good. It is a great starting point for people that havent done alot of research, but for me, I had most of this info already. Time to get a genset and charger to keep the batteries healthy. Just wanted to make sure Im right in thinking I cant have too high a current from a charger for a battery so long as I dont leave it charging too long? It's been fantastic for us and we've loved the lifestyle, so have purchased a caravan now! In order to block the 2.2V and make it zero you can try adding a 3V zener in series with the gate of the mosfet. What is the difference? As after full charge battery voltage reaches to 54V. Im sure that these quick tips will help you. Im pretty sure that by the end of this guide you will be able to choose the best battery for inverter and enjoy uninterrupted power at your home and office. some adverts say it is , some just say 24v ? Hi mate thought id ask to see if you could help me atvall as no one else seems to be able to, I need to charge 4x12v 75ah lead acid batteries from a 12v input. Once the battery is cut off the charging is cut off permanently. I have a 15 foot bass boat,first boat ever and do not know a lot about the difference in batteries and all I know is it looks like a sealed car battery. Hi Kishore, you can go with the 1st circuit, and replace the single mosfet with 10 parallel mosfets. To get higher current you will have to use a higher current power supply, theres no way to increase 52V 700mA to 52V 5 amps, thats just not possible. BatteryStuff TechYes, that charger is in the recommended range of 10-25% capacity. Lithium, NiCD, Sealed Lead Acid? I had to change out the rectifier for my source and now I am getting a 50 volt source for the circuit. Here are the approx prices in India for your reference. At least, thats one possibility. for a 12V battery you can remove all the 22K resistors except the 22K preset. I appreciate any info. DebbieI just purchased two AGM Optima Blue Top batteries (D27M) to use as house batteries on my houseboat (I live aboard). Hookup directly to the battery is the best method of charging. Other material says, for the type of low power/long usage above, one should use something with an Ah rating of only about twice what they would probably use in one session on average, so as not to draw the battery down too much in one night, but enough of the total so the cycling is deep enough to preserve battery life by the proper amount of cycling (or something like that ;-). Reserve Capacity: BCI: 140 minutes (25 amp discharge, 80F (26.7C), to 10.5 volts cut-off). I tried the first circuit in that the LED is goes on during charging and when the battery is fully charged the LED goes off! AC power consumption (with 60w power supply) 100-240 VAC, 50/60 Hz, 2.1 A i aplly sample voltage 48V(where battery printed), i check PN number2, it was 3.6V due to zener reference voltage. Im using a Noco G1100 to keep it charged. I would rather suggest that we switch to a N-channel device instead of the P-channel. The BatteryMINDer 2012-AGM is a SmarTECHnology microprocessor controlled charger/maintainer/desulfator for Optima, Odyssey, Polaris, Yuasa & Other High Performance Specialty 12 Volt Sealed AGM Lead-Acid Batteries. If you have a 2-3 BHK home and you want a good battery then my go-to recommendation would be Luminous RC 25000 200AH Tubular Battery. In short, this house battery can run a full day on a single charge. Luminous Eco Charge EC16000 135Ah is a smart innovation battery that offers fast charging capacity. For a 36V battery the 80% charging limit could be at 42 V. So 42 V is a good level to ensure that the battery is never over charged. If you look at your 3rd power rating it tells you the CPAP Machine can run directly off a battery with a rating of 12VDC, which is a 12 volt battery, and it will pull 6.67 Amps an hour. do you think it would be an easy job? Luminous ILTT 26060 220Ah Tubular Battery: Must have for 3+ BHK apartments. The 1st step is an automatic desulfation step. pls note that, i follow your circuit set up procedure, with some trial and error also i could not fix. Hi sir, my motorbikes battery is 72V (20S, 3.620 Li-ion in series), pls let me know which components i have to change to new value, pls kindly advise. or in another way : how to keep the output voltage 48v so that the battery can be charged . what kind of charger should i use? do you think, did i do correct? But main 2nd problem is when my battery bms turn off battery bcz of low voltage this circuit doesnt detect anymore as a result not work for 0 volt (0 volt bcz bms turn off output) batteries i applied 39.9 volt as a input.. Sir can you suggest me how to add relay in this circuit so when i connect charger to this bms protected battery which have 0 volt when battery reach to 39.9v (80%) just cut-off thats what i want sorry but please help me i tried lots of way to come up wid this problem but no success. But I still have a couple of questions because some of those other writings contradict each other and your material in a couple of ways. Im getting the fixed current at the battery but the led is not turning on. In my simulation it results in 1kA. Best Time Saver. WebThe INNOVA Battery and Charging System Monitor displays the condition of your battery and charging system instantly. This camper is only 2 years old & has not been used much at all. In addition, your information doesnt really address low amperage usage over cycles that are several hours long. Sincere thanks for your HELP. My partner lays on the trolling motor well more than I do: however, killing the batteries wasnt really the issue. BatteryStuff TechThat would be a little hot for that small of a battery. weve just determining the battery charged by using battery load tester and hydrometer tester.what Hi Swagatam;m a new bee in electronics,thx for the response, here below what i have seen, when, i try to build third circuit.1-)Since im observing battery discharge cut off side, i have feed 52Vdc sample voltage to battery end,(not mossfet side) .2-) i saw green LED lighted but not the red LED(red led never lighted actually,green led always lighted).3-) checked with the help of multimeter voltage at PIN number2 of IC and saw 3,6V4-) checked PIN number 3 of IC and voltage was 3,1. with the 10K preset i increase the level 3,8V.5-) checked voltage at the output of PIN number 6 , 2V low logic.6-) inserted 22K preset and feed the sample voltage 43V, nothing change, then i change to 22k to 100K preset, output of the C became 14V, high logic.7-)i remove the sample voltage source and connected the actual 48V battery and connect the load at mossfet side, battery level reduced to 43V but mossfet did not cut off the load. I was wondering about this because wouldnt that mean the battery will charge slower if it only takes in 5 amps? 0.3 = 0.3 ohms However I would not recommend you to use the current control stage with the op amp as it can create complications during the charging process. Valve Regulated Lead Acid is often associated with AGM batteries. The electrolyte is not absorbed in a glass matte like an AGM. With two of those charger/converter it would output 100 Amps, however you would have to have an AC source capable of handling them as they each draw 12 AC Amps. Lets assume that the rating max charging current for a battery is 5 Amps and I have an 8 Amp charger. gate voltage for mosfet is maximum 14V when C is high logic level and 2V when IC is low logic. BatteryStuff TechIvan, when fresh VRLA / AGM batteries are made there can be some residual electrolyte that hasn't been abosrbed into the fiberglass matting. WebSulphation always comes with a permanent loss of capacity. WebSulphation always comes with a permanent loss of capacity. Hi Amor, the maximum input voltage should be 57 V, minimum should not be lower than 56V otherwise the battery will not charge fully. Thanks. A whole range appliances may be plugged in whilst charging the battery. Generally we would recommend Universal 12v 500 mAh Lead Acid Battery Smart Charger UPG12, or somthing similar. Let me start with a disclaimer: BatteryStuff.com does not sell inexpensive, off-the-shelf battery chargers often found at retail outlets and certain other online stores. i have applied the 52Vdc sample voltage, where battery shown, and play with the 10K pot where mosfet just switched OFF. Advice? If solar inverters see voltage from a generator, they will attempt to sync with the generator and backfeed power to it. No, inverter and batteries are sold separately. I have a battleborn 200 Ah (2 100Ah in parallel). Since the OP wants it to last for 8 hours, then it seems that the AH rating of the battery would only need to be 460AH (57.5Adc*8H), or a Reserve Capacity (RC) rating of 1104 minutes (8hr*60mins/hr=480mins@25A*2.3 [since the battery has to supply 57.5 A instead of 25A]). Amyexcellent website to know more about picking up battery charger,thanks. What typ of charger should I use to charge and maintain the batteries when not in use. BatteryStuff TechControllers are recommended for solar chargers. I started by having a 35 volt supply to charge my 37 volt battery and was able to get it to operate as desired for extended periods of time. Rickmy girlfriend has a 2000 custon 1200 harley,she has a pigtail charger we cant find the plug in sorce for charging the battery on her bike ? Hello, Ronald, yes, the pin#7 resistor should be reduced so that the LED can have proper illumination. Would connecting the battery in parallel be able to handle 8 Amp charger? by the way the p mosfet would require just 48V in order to switch OFF in your case and not 48 + 5 as wrongly mentioned in my previous comment:). BatteryStuff TechCharging cables heating up could be the result of a couple of factors. Or can a Charles 9000 Series also charge AGM batteries? This is very help full article. It has 6 x 8V 105Ah Trojan batteries. How high should the charge cycle, bulk, absorb and float cycles be. Please contact one of our techs at tech@batterystuff.com. Connect its emitter to negative line of the circuit and connect a relay across its collector and positive, relay should be 48V rated. I require 5-7A to charge my battery pack because its is 19A pack. I purchased a 48 volt batt. PatrickMy battery charger (HP-1202B 24V2A) for my Phantom wheel chair does not work any more (I think it overheated). 110A is perfectly safe for a 220Ah battery, if you have the source with you. It would take a 10 amp charger about 11 hours to recharge a dead battery to near 100% full charge. The batteries are provided by BMW, but it is Torqeedos control system that manages output, heat and recharge operations to protect and optimize battery capacity and motor performance. So not only does it take an age to charge it never fully charges. it doesnt seem to be helping in ensuring constant current does it? Thanks so much, Sir Ji. This website uses cookies to improve your experience while you navigate through the website. I need about 100 Ah, so Im thinking 2 12v 120 Ah connected in series. Is your current 10 amp Dual Pro charger 10 amps per bank? The reduction in the resistor values as mentioned by you is useful for the LED.. but it is not important for the MOSFET, since MOSFET gate has a high impedance so the current does not matter for the FET gate. All rights reserved. Best Battery: There are three E-Series 48-volt batteries offered: The E40 ($1,200) provides 2,048 Wh, the E80 ($2,000) provides 4,096 Wh, and the E175 ($4,000) offers 8,960 Wh. Also keep the 22k preset link disconnected initially. I am not sure why it is fluctuating in your case. I know you have higher quality chargers listed, which is great, but I dont know what type of charger I can use at all. Now, Ill not bore you by going into the technical stuff as we only want to focus on choosing the best battery for inverter ourselves. The 36 V 200 amp must come from a transformer rated with 36V 200 amp specs which must be rectified with a single 500 amp diode, and filtered 2200uF/100V capacitor, Hello Mr. Swagatan, zu: 2) Current Controlled Version of the above Design this circuit has some bugs in my opinion. If the resistance increases, the charging current will decrease because the battery is almost full. Im considering moving to a 36V trolling motor. 200 AH 16000 to 17000, Hi It uses high heat resistant Calcium/ultra modified Hybrid alloy for its grids, making it a low maintenance battery. I have a electric van, batteries: 18 in series per row, 3 of those rows in parallel, mounting to 54 batteries. However, you can charge the batteries independently using multi-bank chargers, or separate chargers. 11. Ideal charging is going to be at about 10% of your capacity so roughly around the 55-60 Amp range for your application. The moment this happens, the output of the opamp goes low switching OFF the mosfet, and cutting off the voltage to the battery. The working resistance of a pin 7 IC should be 5.6 K in order to be able to belong to the Mosfet and the LED. Next, from the battery side apply 14.5V from a variable power supply, the LED will be illuminated. The box the battery came in called it AGM but the instructions that came w/battery call it a VRLA??? I have an older sears 10/2/50 amp charger. If it doesn't work with your IC you can be sure the IC to be faulty. What kind of diode did you use there? 36 Volt Golf Cart Charger for EZGO,with Trickle Charge,Smart Portable Charger,5-8 Hours Full Charge,18 Amp Golf Cart Battery Charger, Trojan T1275 12 Volt, 150 AH Deep Cycle Battery - 4 Pack, CLUBRALLY Golf Cart Battery Cables Wiring Kit for EZGO TXT 1994 & UP with 4 Gauge 7 PC AC/DC Wire Golf Cart Battery Cable Set 36 & 48 Volt. Hello Happie, I have tested the first concept with a 3.7 V battery and it never fluctuated for me. And pls Engineer Swag, this circuit of IRS2453 the capacitor in pin no 14 and pin no 10 is it ceramic or micro-farad with polarity? KymI am in the market for a 24v 50A multi stage battery charger as I am looking around I found one that I thought was good but it says it is only good for 40 - 500Ah. But its what I have. I really commend you for your great work and interest. the above circuit does not have a current control feature, it can be added though. The first thing you need to figure out is how your going to run a CPAP machine off a battery. Before purchasing a battery for an inverter, consider the brand of your inverter and prefer to go with one that matches. WebANCEL BA101 Professional 12V 100-2000 CCA 220AH Automotive Load Battery Tester Digital Analyzer Bad Cell Test Tool for Car/Boat/Motorcycle and More. Range of Power: Outboards from Ultralight 403 at 400 W (about 1 hp) to Deep Blue at 50 kW (about 80 hp equivalent with 20 percent hole-shot boost), and inboards up to 100 kW (about 135 hp). The above circuits are all configured for charging the battery and not for connecting or disconnecting a load with the mosfet. Thanks, Do I need to modify any other components to make the circuit suitable for 48V, 30Amps Li-ion Battery Charger. Nevertheless the 0.5V will not create any problems, so you can ignore that. Thats a quiet arrangement, making the motor lighter and more efficient. this is setting up the upper cut of level. You are right, we need to add 12V zener diodes across the gates of the shown p-channel mosfets for correct operations. Battery is leaking acid. 72 volts? Hi John,I think we are missing something here.the circuit uses a p-channel mosfet which will switch OFF with a positive that must be at least 5V more than its source voltage. After a full charge, it moves from 100% mark down to 60% mark and skips the 80% when switched on , but I can be on that 60% usage for up to 6 hours powering my TV, Gotv, fan and laptop before it drops to 40% (off sun usage), When used while charging, it still feels like new because I charge and discharge at the same time. However, we have chargers that are also power supplies (converters). It protects the engine computer and 12-volt accessories from damaging surges when jump starting or recharging. Nick BointonWe have a catering trailer which has a bank of 6 120amp/hr 12v batteries powering an 4000w inverter to run fridges, microwaves etc. Inventors from Prussia, England and America began making vessels with lead-acid batteriestons of lead-acid batteries per vesselto move passengers quietly and efficiently. Once the battery is full, it will keep and miantain it. I notice that I need to change the mosfet that suit with 48V,10A. To find out how much capacity battery your home requires, use this inverter battery capacity calculator. and please do it only after proper understanding of each and every steps and stagesotherwise you may fail to get things working for you. ): Gracias, Hello, all resistors are 1/4 watt 5%, except Rx which is = 0.6 x Maximum current, Good night, I made the circuit work, without load it reaches 48 v but with load it gets too hot, I put a heatsink but the tip 142 burned anyway, as I saw your manual it is only 10 A I can put 3 in parallel to get 30A ? All Rights Reserved. However, the best would be if you understand and calculate your own needs to make a perfect decision. We all want to buy the best product for our money, but how do we know which one is the best? Required fields are marked *. Best Time Saver. 2) Also, can you suggest suitable P-type MOSFET for 50Amps Idss? How can you help with that sir. Solenoids separate all three until the ignition is on. PIN number3, i adjusted to 3.7V(By the help of 10K pot). I'm back again ask you again..let me ask you sir.. is this capable to charge 48V with 365AH? Necessary cookies are absolutely essential for the website to function properly. UPDATE: For converting this into a Solar version you can read this article. To set up apply the circuit, do not connect a battery initially, and keep the preset wiper on the ground side, disconnect the 22k preset line. 10A is going to take 10-12 hours to recharge a depleted trolling motor batteryno biggie for non-tournament fishingbut when you need the boat ready to go 12 hours after you get out of it12 hours to charge two 12V batteries aint cutting it. Would a 2/6amp, 6/12v manual charger with self-resetting circuit breaker and an automatic trickle charger after the battery is full work for this? Easily plugs into the vehicle's cigarette lighter or power receptacle to monitor battery and charging system voltage. Please visit the. Hi John, I have corrected the diagrams with respect to the above discussion, please check them out. Luminous Eco Charge EC16000 135Ah is a smart innovation battery that offers 48v,20ah(4 nos,12v*20ah battery series total volt 48v full charge 52v) escooter charger 48v 3a charger) and gate volt how much? I dont use simulators, because often they produce misleading results. green and red LED had reversed voltage of -14.6v and damaged. (Charging at 83v). a diode may also be added in series with the base of the lower BC546 transistor for a better response. endstream endobj startxref Stevewhich charger would be used on a polaris sportsman 500 2008. Im looking for a fast charge time, because occasionally the charge source will be the gas generator, and the less that runs, the better. Is that in the right range? Acid leakage Expand. Many people make the mistake of keeping it in their bedrooms, kitchen, etc. It would need to cut out when it had fully charged the batteries and could do with being quite a good amp setup to charge that bit quicker than say a 3a system. they do emit hydrogen fumes and other gases. Thanks for the confirmation. Use the link below to see our large selection of battery chargers and 12v/24v trickle chargers. I would recommend you to buy an inverter battery from trusted online sources like Amazon. 1) It is BC556 2) you can put two IRF9540 in parallel. I have 73v DC supply with 5amp. Output Voltage AC 240. BatteryStuff TechAre you looking for a single bank charger/converter, or multi-bank? Try connecting a 1uF/25V or 10uF/25V capacitor across the gate/source and see if the 0.5V still exists or not. I would recommend you to make the following basic set up as shown in the first circuit from this link: Use 12V, and check if the LED toggles ON/OFF at a particular point on the preset. Virapong, I never use softwares to simulate my circuits, because softwares can be wrong. We recommend 10% unless you need the quickest charge time. is it possible with third circuit above?:". Mild sulphation in a flooded battery can sometimes be mended using a suitable charger, but doing so is time-consuming and full recovery may not be expected. This system has a 2kva inverter + 2KWh lithium battery. Sir can we provide 5 amps so that we can reduce the charging time. A charger that is more than 25% of your amp/hr could damage the batteries unless they are specifically designed for high amp charging, such as the Lifeline brand. Im currently working to build a charging circuit for a 37 volt lithium ion battery pack. BarneyThank you for such an informative site. My mosfet got fried during changing, you can use NTP52N10 MOSFET, which is a 100 V 60 amp mosfet. I am Jaza from Iraq. Further in this article, Ive listed the top 10 inverter battery in India along with pros, cons, top benefits, etc. Red for the engine; yellow for the 6K genset (Onan); golf carts for the house. I noticed that the wires next to the clamps got very hot. What are the types of inverter batteries? What is the maximum we could run? The Navy 3.0, ePropulsions latest motor, is 3 kW, or about 4 hp, though ePropulsion claims 6 hp equivalence. This is my first experience with AGM batteries of any sort. Source will go to the positive line. My recommendation would be to check every 30-40 days and ensure that the water level is above the minimum limit. In 1934, Minn Kota manufactured the first electric outboard. Ive done a drawing of it and dont think it would work, the only other thing I could do is add another alternator to the engine wich is possible and have it rewound to give out 48v and isolate the earth and just go strait to the batteries, someone said a car alternator is actualy 3 phase and generates 110v its the regulator and rectifier that trims it down so isnt there a way to change the regulator myself to give out 48v and isolate the earth then some how work out what amps that would give me. Yes thats right Amor, the charger output must be around 57V. They are AGM 12v 100Ah. If a single battery has a max amp rating of 5 amps, and you put that battery in parallel to increase the amp/hr, then the max rate is thereby increased, so it would now be 10 amps. This incident made me understand that inverter battery is very important for inverters to work smoothly. Thanks Richards, yes you can use the first design for charging and cutting off the mentioned battery automatically, Do you have a parts list for this circuit?thank youCarl, Parts are all standard, the resistors are 1/4 watt CFR, the zeners are 1/2 watt. Thats all, your circuit is now set. WebChallenge Outback Deluxe off road camper trailer, powered by a 12v deep cycle battery (plugs & adaptors included) with a Projecta charging unit attached. the mosfet s not P-channel, it is N-channel IRF540. Any suggestions? The DC-DC battery charger isolates the input and output to prevent voltage transmission errors and interfere with house battery charging. A relay cannot be used because the relay coil will need to be rated at 42V, which is difficult to find. So, I kept 100Ohms which is giving 110A. Thanks, Hope you reply soon. 59V wont be a problem, because the second circuit preset will be adjusted to 57V, so it will anyhow cut off at 57V automatically, but make sure the input current is around 1/10th of the battery Ah or at the most be 1/5 Ah, how is the correct input voltage/amp for this 1st circuit, It will depend on the battery specs being used. Morning, please how can I adapt this circuit to one of 29 volts 40ah Li ion charger. Give it an overall maintainence check with the help of expert as per manufacturer guidelines. Now lets talk about the most awaited part of this article. Capacity: 66 Ah (C/20) However, the ideal method is the transformer based only, which is the safest and the most reliable. the 3V zener can be a 1 watt type.all resistors are 1/4 watt, the mosfet can be a IRF9540 for P channel, and IRF540 for N channel, I need a 60 volts auto cut charger circuit for 12*5 (=60 Volts) and 24 AH batteries for my e bike. We dont mean physical size, but how many amp hours your battery stores. Dave Borthi my camper currently runs 2 100ah agm batteries and 1 110ah flooded battery .i have just installed a 100w solar pannel and 10a regultor how should i set the regulator ..for flooded or agm ? The data-cable connections in ePropulsion batteries give battery management, enhancing range and speed. How will that be possible sir. I understand that when connecting the same batteries in parallel, it will have the same voltage but will double up in the Ah. 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