Permanent Voltage Drop
I understand that the battery degrades over time.
However, without any apparent reason I found my scooter does not charge above 51.6V while a full charge used to be 55.9V. (I own a Zero 9).
It hasn’t been used for two weeks before this happened, but I left it roughly half-charged, which should be ideal for a long-term idle time.
Any clues on what’s going on?
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