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  1. G

    Looking for recommendation: 20s 40-60A smart BMS with 5 or more NTC inputs

    I'm building a 20s Li-ion moped battery divided into 5 IP67 waterproof boxes of 4s each, and am looking for a BMS that can measure at least one temperature in each box. I have 4 unused pins in my chosen balance connector to each box that can be wired for temperature sensing. I've looked at Daly...
  2. G

    Used 18650s for ebike, have I made reasonable assumptions?

    Hi everyone! Electronics hobbyist here, but new to 18650s (and Li-ion in general). I'm planning to build an 18650 ebike battery to replace the crappy 3s 12V SLAs I'm currently using (used bike, bought cheaply). I have measured the current draw from the current batteries to 13A at stall (brushed...
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