June 25, 201312 yr Hi all I just got my first ebike I read somewhere online that the battery as to be in the on position before you charge it to stop it getting damaged is this true or can you charge the battery in off or without the key in it?
June 25, 201312 yr It might depend on which bike you have, but as far as I know all bikes can be charged with the switch off. The charger goes straight to the battery management system (BMS, and then to the cells. I've not seen a bike that didn't have a switch between the battery output and the controller, which would have no effect on charging. The one thing you mustn't do is have the controller on while you charge because some chargers then can't detect that the battery's full because of the slight discharge to the controller even when the bike's not going.
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