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I'm running a 48v system with 16 Eve 280 ah cells (ordered from Basin) and during testing, I'm having issues with the voltage sagging significantly under any moderate load. For example, under a 700 watt load the voltage will drop from 53v down to something like 48v (I'm measuring at battery...

Hi All, I bought 16 of the 272 ah Lishen battery cells from Basen, received them in December. I've ended up not needing them so I would like to sell them. They appear in perfect condition without issue and the little testing I've done on them suggests they are in good shape. Price would be $2000...

Hi All, I'm sorry if there is a thread covering this, but does anyone have experience with some of the Daly BMS on Amazon? For example I see this and this. I'm wondering if people have much faith in products like these. Do these look remotely programmable? For example adjusting overcharge or...