mobile power:
It is a portable charger that can be carried by individuals and can store electrical energy. It is mainly used to charge consumer electronic products (such as wireless phones and notebook computers) such as handheld mobile devices. It is especially used in situations where there is no external power supply. Its main components include: a battery used as electric energy storage, a circuit to stabilize the output voltage (DC-DC converter), and most of the mobile power supplies have a charger to charge the built-in battery.
contacts :Mr. Lang
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