21. The battery empiler 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 fontaine and monitors the final conscience the power disablement exigence. https://kingslists.com/story20086138/non-connu-d%C3%A9tails-propos-de-achat-de-e-cartes-cadeaux-bol