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All sorted now with a cheap e-scooter charger and a couple of silicon diodes. Cut charge at 41.5, and battery slowly dropped back to 41. Settling or balancing perhaps? I'll add a voltage and current lcd module later, in place of DMM. Battery University has comprehensive info on voltage vs number...

OK, yes, I thought the 4.08 was a bit on the low side. Hopefully I can revive the Giant charger . I can connect a 4 .2 volt charger in the short term to perhaps charge individual parallel packs, just so they don't discharge further? I don't want to let them rot. And Giant using cantus is both...

Just measured the individual parallel packs. 10 of 4.08 volt. If I'm lucky, that means balancing operates, and cells might or might not be ok?

Hello to all fellow members. I didn't use my bike for about four months. It uses a 36v 8ah battery. I gave the battery a top up charge after two months or so. When I decided to give it a top up recently, it looked like the battery had died, when I pressed the test button. The five led column...