This miraculous gadget is used to supplement power for most of your electronic mobile devices.
These design boxes conceal external battery that recharges various types of electronic devices. Individual Power Banks differ mostly in battery capacity, recharge speed and number of connectors. The size, design and other features then only depend on a specific model.
Power banks are becoming increasingly popular and often a necessary accessory when setting off for a longer journey with your smartphone or camera, when you need them to be charged as long as you need. Due to their small size, they can be easily put in most pockets, so you have this external charger at hand.
Veľkosť, konštrukcia a ďalšie vlastnosti sú závislé od konkrétnych modelov.