The batteries are charged via the USB port on the back of the Doorbell.
The charging current is around 500-800mAh.
It usually takes 10-12 hours to fully charge the two batteries.
The batteries are charged via the USB port on the back of the Doorbell.
The charging current is around 500-800mAh.
It usually takes 10-12 hours to fully charge the two batteries.
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