Sell Realme Powerbank 20000mAh Quick Charging mobile power supply best price

REALME RMA133 Powerbank 20000mAh ·        Support fast charging of Mobile phone ·        (18w) Support Notebook fast charging ·        Type-c/Micro Two way fast charging/12 Safety protection ·        Dual output ·        High density lithium polymer cell Powerbank is a portable charger that can be carried by individuals and store electrical energy. It is mainly used to charge consumer electronic production such as handheld mobile devices (such as wireless phones and laptops). It is especially used in situations where there is no external power supply. Its main components include: a battery used for energy storage, a circuit (DC-DC converter) that stabilizes the output voltage, and most mobile power supplies have a charger for charging the built-in battery.