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  1. N

    Charger cutoff current

    Hi all, I have a charger for my 13S battery which is not cutting the voltage when it reaches the low current at the end of the charge. It just have green LED which turns on when the current is about 150 mA. But it never cut the voltage. My BMS is like this one...
  2. N

    Phase current measurement with a hall sensor

    I want to make a simple arduino based measurement of the phase current flowing to the motor but have some theoretical question. I am looking into this diagram of currents in the 3 phase bldc motor: This shows that the so called "phase current" always flows over two phases either forward or...
  3. N

    Simple "temperature cutoff" for hub motor with thermostat

    I installed very basic and simple "somewhat" temperature control. I initially wanted to have a thermistor but on this motor is difficult to install extra wire and I didn't wanted to reuse the speedo hall cable since I want to have the speed all the time. Then I come to the idea to use the...
  4. N

    Charging voltage cutoff device

    Hello everyone, I've been looking for a simple device to add in series to my existing charger and limit cutoff voltage from 4.2V/cell to 4.1 or less and also keep it on storage voltage level when not using it. Are there any such devices? I consider it fairly simple (if you just only regulate...
  5. N

    KT controller 48V/22A phase amps limit

    I bought front hub motor rated 36V/250W but I will run it on 48V/22A KT controller (9 FET) to get a bit more speed on the flat. This motor (Bafang G01) is rated at 32 Nm torque and according to ebikes.ca simulator it will need 35A phase current to sustain these 32 Nm. However on the original KT...
  6. N

    Bafang G01 number of speedo magnets confusion

    Hello everyone, I bought Bafang G01 front hub motor which is exactly the same size, weight and visually like this one: http://www.bafang-e.com/en/oem-area/components/component/motor/fm-g010250d/ Also running it on the bench it goes to > 50 kms/h which looks similar to G01_standard in the...
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