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  1. B

    Help, Is my new battery Bad ?

    Well when the charger shuts off at 54.5v the battery is still not at that full charge voltage as it should be so i guess there must be a battery or BMS fault. Found the post about different BMS types but this seems to point to a problem with high resistance maybe.
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    Help, Is my new battery Bad ?

    The battery that came with my bike ( 48v hailong ) shows battery voltage at the charge port the same as the output. The new battery shows approx 10v lower than the output. Also when charging, the output voltage at the connector is lower than the charging voltage by around 4v ( I have a watt...
  3. B

    Need help with oem dual batt controller

    Problem is that there is only a 3 pin connector to the module but shows 4 in and 2 out ? What I would like to do is remove it and just use the single batt mount under the seat. No Ideas ?
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    Need help with oem dual batt controller

    Pics of controller and box in second batt holder. Hub is a Bafang RM G0F0.500/750/1000.D/DC The controller says 25km/h but can be set higher in the menu. Suppose it is 25mph or it means 2500 Mph ! Seems limited to 41kph, no idea of the amps though. My first Ebike.
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    Need help with oem dual batt controller

    The bike came with the second battery mount on the frame and one under the seat, the controller has a wire ( 3 conn. ) to the frame battery and the under seat has the controller in the mount ( Hailong ) When the battery is installed under the seat the open contacts of the frame mount have full...
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