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Hi, Hoping someone can shed some light on a weird issue I have with my JBD SP04S034 100A BMS. It was my understanding that these BMS units could be used in series, however i haven't found any specific information that says what the voltage limits are for these units e.g 24V or 48V So i have 4 x...

Hi guys, I'm fighting the virus and it's clearly fizzled my brain. My friend & neighbour has a small 400w solar system, two 200W 12v panels but they differ in specs. 1 panel had a Voc of 27V Isc 9.66A Vmp 22.6v Imp 8.85a. The other panel has a Voc of 23V Vmp 19.2 Imp 10.42A. She currently has...

I connected a 4 cell 12 volt 100Ah Lifepo4 that has a JBD 100A bms to a 3500w inverter (fused 350A) plugged in a 3000w kettle which pulled 249 DC amps (checked with clamp meter) and fully expected the bms to shut off as it was almost 150A more than the BMS rating. But it didn't, so i tried...

Reason i ask is that while i can perceive some financial savings in building a very large lifepo4 battery bank of over 32 + cells, is it worth it to DIY build anything smaller? When you factor in all the time, knowledge needed, cables, connectors, fuses, the tools needed, Your BMS's, delivery...