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  1. G

    Rewinding a car alternator for ebike use

    Hi, I have a homemade ebike which uses a car alternator as the motor. It's fast and has lots of power for hill climbing. The controller is 45A @ 75.6V. The only problem is the efficiency, the alternator gets hot quickly and only gets about 45km of range on my 1.2KW battery pack (18s8p, 75.6V...
  2. G

    Using 20s BMS for 18s battery

    Hi there. I have already asked in an old thread but thought that it would be best to start a new one. I have a homemade ebike with a 18s8p battery. (75.6V, 16AH). At the moment I have to remove all 6 battery packs (It is made up of 6 homemade 18650 packs: 6S4P, 25.2V, 8AH) and charge them using...
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