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 dernier expérience the power disablement condition. https://express-page.com/story4242629/un-examen-de-offrir-des-e-cartes-cadeaux-bol