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  1. C

    Replacing lawn mower battery pack - how to wire?

    Not sure if this question is out of place here, but I'll try: My mom has an old Gardena lawn mower which takes a 36V 3.0Ah Li-Ion battery. This battery connects to the mower with a plug that has six wires: Red-Brown-ThinRed-ThinBlack-Blue-Black The Red and Brown are marked with + + and the Blue...
  2. C

    Power cuts out

    Hey folks, I installed a KT36/48SVPR-20A with a 48V battery on an old Wisper bike with a BFUN8 250W, and it's been running great until the other day. Suddenly (after my wife used the bike to pull a heavy trailer) the power cuts out as soon as the load increases slightly. I noticed this happens...
  3. C

    17a or 20a controller?

    I am rebuilding an old bike with a BFUN 250w rear hub motor to run on a 48v battery. I was told to get a 17a (350w) KT controller from PSW Power. But I see the size of the next one up 20a (500w) is the same and will fit on the bike. Would that also work? Pros/cons? Thanks Chris Sent...
  4. C

    Brake sensor constantly on (low voltage from controller)

    I just installed a new kit, but the display shows the brake sensor symbol and the bike won't run. It's a KT-LCD5 and the controller is from PSW Power KT36/48SVPR-17A I have unplugged everything, checked all the soldering and wires inside and outside the box. All looks fine. Voltage between...
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