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  1. Elektrosherpa

    Dongguan Huanhuan Energy Technology Co., Ltd - absolutely to avoid

    The "Dongguan Huanhuan Energy Technology Co., Ltd" from Guangdong, China has fooled me badly with a battery purchase: I ordered a 72V 54Ah battery for my electric motorbike conversion, and clearly told them I need a battery capable of 150A continuous and 300A peak discharge, with separate...
  2. Elektrosherpa

    BMS w.bluetooth - question

    I have to replace the garbage BMS in my battery by a decent one. (if interested in details, have a look at my build thread) Actually I am thinking about this one: https://www.aliexpress.com/item/4001192978656.html The type is JK-B2A24S-20P - it is a recommendation by the seller of the ANT BMS...
  3. Elektrosherpa

    Voltage selection

    While I am still waiting for my parcel from China (now announced for Monday 22nd...), I am trying to get some basic understanding about the cooperation of battery, controller and motor. The kit I have ordered from QS includes (amongst others) a QS138 mid motor and a Kelly Controller KLS7245N...
  4. Elektrosherpa

    Conversion of a Bultaco Sherpa

    As my nickname indicates, I am planning to convert my Bultaco Sherpa T350 (2-stroke, 1cylinder, 350 ccm). For that purpose, I have ordered most of the stuff needed directly from China- hopefully things will arrive here soon. I am planning to report here about my build, and probably ask many...
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