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    NiMH cell replacement in a pack

    I have a used ebike with NiMH battery. After taking the battery apart I found a bad cell (0V) in the 20 cell battery, the rest is at 1.23V. What are the rules for changing one cell in a NiMH pack? There is no BMS so I guess the new one should be a higher capacity cell than the rest and I am...
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    s12s slcd3 problem

    Hello all, I have a strange problem. When I tested my configuration about a week ago, the throttle worked OK. Now when I am trying to assemble it, it does not. Parts: S12S controller, S-LCD3 display, Bafang CST motor, 36V battery pack (18650, 31.9Ah). The original problem was solved. The PAS...
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    NiCd to Liion question

    We have an old Sparta Pharos in the family, it is a clone of the Yamaha XPC26 by the looks of it. It has a 24V brushed controller that is meant to work with NiCd batteries. From that I am assuming that it is similar with the other such controllers, and it cuts off the batteries at 20V+-0.5V...
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    Tadpole trike for long range trips

    Hi there, I am planning on building this etrike for a while now. Finally I purchased the trike a month ago, it is a TW-Bents Trident (20" front wheels and 26" rear). I would mainly use it for long range travels, I am planning to go around in Europe next year with it. With that in mind, a 300W...
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