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  1. 65nw

    Tesla Module BMS Balance: lowest cells first, jumping values

    Tesla 5.3kwh module with SimpBMS REV A module board, says "PCBA, BMB, WIRE-CLIP" When simpBMS put the pack in balance mode, the lowest two cells begin to jump up and down. After letting it balance the cell for ~10 minutes, cell 11 (the lowest) went from 3.05 to 3.01 indicating the balancer is...
  2. 65nw

    Cell Tower Batteries- Info

    I came across these at a friend's shop and wonder if anyone has experience with them they can share. I get about 1.3v per cell but have not load tested or tried charging. I found the manual for a similar model but these are discontinued. They came out of a backup power system in a cell tower...
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