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    Battery question

    Hi my wife's ebike battery suddenly stopped charging. It has a coppercell EP26BRZ 24v battery. On opening up the case there is a tray black wire which looks like it has detached from the battery bank (assumption made due to blobs of white silicone on cell and wire) but I'm just hoping someone can confirm before I cut off the silicone and reattach. Photo attached and tia.

    #2
    That looks to me to be a temperature sensor. I would guess that's not the problem. What its trying to sense is if the batteries get to hot from either charging or use at which point it will shut things down as a safety precaution. Not having the sensor attached will mean its just reading ambient temp in the case which won't likely be as hot as the battery cells themselves so yes you should re attach it if you get it working otherwise so you get a true reading of the cells but I don't think that is what is stopping it from working.

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