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Hi all The BMS in my 700 watt Wisper battery has packed up. There are plenty of BMS's on Amazon with the best getting average ratings. My question is has anybody replaced a BMS in a Wisper battery and could recommend a particular brand? many thanks in advance Nick

I have owned a 905 Torque from new and all of a sudden it will lose most of its power when cycling. The battery level shows full but it feels like there's virtually no pedal assist. This happens on flat ground and I am not loaded up with shopping or anything heavy. I initially thought it may be...