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  1. S

    Replacing 3 wire BMS with 2 wire BMS

    Thank you for your reply and diagram. Would I need to rearrange the balance wires in order to to use the 2 wire BMS? I was hoping to avoid that. The new BMS has a different size clips for the balance wires but the seller did include a harness that retrofits the existing balance wires to the...
  2. S

    Replacing 3 wire BMS with 2 wire BMS

    Hello All, Hoping to get some guidance with my BMS replacement. I have a 72v 35ah BtrPower battery pack that has a bad BMS. The battery is configured with separate charge and discharge leads. I contacted the company and they sent a new BMS but it's only a 2 wire and the old one had a 3 wire...
  3. S

    Enduro bike shuts off after a few miles on full battery

    ok, makes sense. So I would need to open the pack and disconnect the bms, correct? TIA
  4. S

    Enduro bike shuts off after a few miles on full battery

    Hello Thanks for your reply. Are you saying I should bypass the bms when I charge it? Like charge it through the output wires? I've done that to "jumpstart" dead li-on cells in small battery packs that were too low to be recognized by the charger. Or are you saying to charge it normally then...
  5. S

    Enduro bike shuts off after a few miles on full battery

    Hello all, Its been a while since I posted, but hoping I could pick your ebike brains. I have an 3000W enduro frame ebike with a 72v 70amp DC Moto Controller paired to SW900 screen. I have a 72V 26Ah battery and a GEL 3000W 72 volt hub motor Here's the problem. The bike charges fine and...
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