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  1. L

    How do I determine if I have an S-Series controller

    Hello all, I damaged the lcd on my KT-LCD3 display and need to replace it. I found this one: https://bmsbattery.com/ebike-kit/670-s-lcd3-lcd-meter-for-s-series-controlers-ebike-kit.html But it requires a S-series controller, and I cannot positively identify my controller as an s-series...
  2. L

    Controller blown, need advice

    Hello, I was riding yesterday and I stopped to pull my bike around a locked gate. When I got back to the road my bike would not power on. The battery was 2/3 charged. I had a multimeter with me; I checked the input power wires to the controller and got a direct short reading between the wires...
  3. L

    48v controller w/ 36v battery pack Low Voltage Cutoff

    I have a 36v 750w hub motor with a 36v LiFePO4 20AH Battery Pack. I ordered a controller, but was shipped a 48v controller instead of a 36v controller. I think the controller should work with the 36v battery, but the cutoff voltage must be higher than the 36v battery pack can provide. Otherwise...
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