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During discharge I saw that the voltage drops rather quickly (up to 2.910V) but after the discharge is done it raises back to 3.32. I am not ssure if this is normal.

Hi all, the top balance is done and the voltage was between 3.64V - 3.65V. After 30 Minutes the voltage droped to between 3.621V - 3.623V. Voltage difference was 0.002V.

By the way, most of the cells have voltage around 3.3 - 3.4 when it was fully loaded.

The cells came with 3.2V from China and I did a full load again and then discharge it to almost 2.5V. The capacity was around 108Ah. So I do not think that the cells are bad or am I missing something here?

Hi, thanks for the feedback. That was my concern too since the setting in BMS Cell OVP is 3.65. The Battery should have been offline right?

I might need to check the resistant between (busbar) terminal

I left them connected parallel for 3 weeks. Afterwards I built the 48V system (series).

Hi Gurus, I started with Solar-DIY about 2 years ago and still have minimum knowledge. Most of the infromation I have is from Andy Offgrid-Garage ( https://www.youtube.com/@OffGridGarageAustralia) . The setting of my Victron 150/30 and JK BMS is originally from Andy. My project: Battery -> 16...