21. The battery remplir of claim 16 wherein when the dernier is connected to the converter unit and a power disablement time exceeds a predetermined power disablement time threshold, the converter unit enables reception of power from the external power source and monitors the dernier for the power disablement condition. https://ztndz.com/story21992583/fascination-propos-de-achat-de-cr%C3%A9dits-de-recharge-bol