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Pat911 · 05-28-2022, 06:21 PM

Those two cells have a lower state of charge than the others. The internal balancer will never bring them back into line as it’s not powerful enough. Use a current limited 3.65v power supply to charge them up individually.

I use JBD BMS’s but I’ve read good thinks about the JK BMS and it has a 2 amp active balancer that should be able to keep most packs perfectly balanced.

Cheers
Pat.

05-28-2022, 06:21 PM	#2
Pat911 Gone Wild Join Date: Dec 2020 Location: Melbourne, Australia Posts: 1,947	Re: Zeva bms issue Those two cells have a lower state of charge than the others. The internal balancer will never bring them back into line as it’s not powerful enough. Use a current limited 3.65v power supply to charge them up individually. I use JBD BMS’s but I’ve read good thinks about the JK BMS and it has a 2 amp active balancer that should be able to keep most packs perfectly balanced. Cheers Pat.