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Parallel eg4 batteries

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Joined
Nov 18, 2021
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Hey all,

I'm considering buying multiple 48v100ah eg4 batteries and wiring them in Parallel.

My question is when I do that is the (100a) discharge rating of each batteries bms added together (as in 2p has 200a rating)?

My head says yes but my wife says make sure. I've emailed them but no response yet.

Thanks in advance
 
Yes, amps add up in parallel. Volts add up in series. Putting your batteries in parallel adds up their capacity and it adds up their discharge current and charge current. The batteries in parallel allow you to use a larger inverter, for example.

Tell your wife that your head was right for once. ;)
 
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