Active work with devices quickly discharges the battery. Many people have run into dead batteries at the most inopportune moment. Unfortunately, there is not always access to a power outlet or charger. How to solve the problem? It's simple, the complete set of the device can be supplemented by Power Bank. A small gadget will come in handy.
What is it?
In essence, Power Bank is a compact, extra battery. The dimensions of each model are different. It all depends on the capacity and manufacturer of the gadget. The battery itself is protected by a housing on which external elements are placed.
Outside the gadget is two usb inputs. The micro connector is designed to charge devices from an external battery. An ordinary socket, on the contrary, serves to recharge the charge of Power Bank itself. On the case of most models there is a charge indicator.
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Unfortunately, in addition to the built-in usb and a convenient indicator, the company's devices have nothing more to boast of. Especially not enough in the Power Bank of the solar battery. For powerful batteries this is a very useful feature.
Total
Undoubtedly, an external battery will be useful to any modern person. Power Bank solves the problem of recharging any device. The owner will definitely not be left without a working gadget.