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  1. T

    From 36V 20Ah to bottle 36V 5Ah

    Hello fellow cyclers, I have a battery 36V 20Ah from China Ping batteries for about 3 years now. Due to my shorter working distance now, the pack is too heavy to carry on a folding bicycle and I want to strip it down to a e.g. 36V 5Ah. Build inside a bottle or whatever protection that is easy...
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    Can not setup my controller/APM display

    Hello all, Since 2 years I have a Crystallite HS2540 motor and APM display. Last year my controller was broken (water got inside and destroyed some FETs) and I got a new one (guaranty) from the dealer. Although he sended me another type then the previous one, same Voltage 36/48V, but less amps...
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    Since 2 years I have a Crystallite HS2540 motor and APM display.

    Hello all, Since 2 years I have a Crystallite HS2540 motor and APM display. This year my controller was broken and I got a new one (guaranty) from the dealer. Although he sended me another type then the previous one, same VOltage 36/48V, but less amps (15 instead of 25A). Also my new controller...
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    Motor shutdown - help

    Hello Fellow e-bikers, For the moment I am driving my Dahon Cadenza with a Crystalite HS2540 in the front wheel and a battery pack of 36V 15Ah. With full pack I can drive 35 km at 40 km/h and I pedal moderate Yesterday, in rainy weather, I had strange motor behaviour. With strange I mean that...
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    Buillding a new setup for long distance - advice please

    Hello all fellow e-bike drivers, For the moment i have two ebikes (1 recumbent and one folding Dahon) with Bafang 36V engines. They drive 25 km/h both with 36 V LiFePO4 battery. I have them for 2 years now and am satisfied, but want greater speed now for long distance drive (+120 km) within...
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