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  1. R

    Cell voltages during slow charge

    Hi everyone, I am building a 16s system with CALB 100Ah cells and an Overkill 16s BMS. The new cells arrived at about 40% SoC (according to the seller). Before top-balancing, I decided to first slowly charge them up in series (at 3A) until one cell reaches 3.55V, and then I will put them in...
  2. R

    Charging 16s 100Ah (non-solar application)

    Hi everyone, I'm putting together a 16s 100Ah battery bank with an Overkill 16s BMS. This bank will power an electric ride-on lawnmower (basically doing an AGM to LiFePO4 conversion). I have a question about selecting a charger. I noticed that LiFePO chargers (such as this one, or this one)...
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