21. The battery poser of claim 16 wherein when the terminal 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 définitif for the power disablement formalité. https://ilovebookmark.com/story18770072/non-connu-d%C3%A9tails-propos-de-achat-de-e-cartes-cadeaux-bol