Portable power bank battery

Power Bank Battery : Unique Anti-Fingerprints design, more cleanly on its surface when you hold it in any places . Wired Charging Support all Smartphones and other Smart Devices. Massive Powerful 20000mAh Power and Dual Fast Charging .

Portable Battery Bank: Perfect design for camping, travel, business trip and more. It will be a real help in an emergency.

Tablet Power Bank : 20000mAh large capacity chargers provides great battery backup for your device. Anti-skid material and handy size make it easy to hold and carry whenever and wherever you need. 

20000 mA metal digital display power supply
color:Gold tarnish
1, polymer battery, output 4.8A dual U port simultaneous output is 2.4A, while using the same fast charging, all mobile phones are universal
2, shake it, display the power, digital display, at a glance, easy to master
3, the market's thinnest polymer cell 20000 mA metal power supply
4, using 220 fine sand technology, delicate touch, exquisite appearance; gold, ochre, gift, suitable for personal use
5, overcharge, over discharge, over current, over voltage, short circuit, excessive power, low voltage and other eight protection.

You may concerned about How many phones will a Power Bank battery be able to charge?

The simple answer is the Economy Class portable Power Banks can roughly fully charge one phone.

 Business Class Power Bank may be able to charge a couple of phones depending its capacity.  The iPhone capacity ranges about 1450 mAh, Galaxy phones range from 1650 mAh to 2600 mAh. The iPad ranges 6600 mAh to 11620 mAh.

A high capacity power bank will be able to provide more charge than a low capacity power bank over time.

Business Class and Special Class Tablet Power Banks provide 1000 mA or larger output (up to 2 amps) and Economy Class Power Banks provide between 500 mA to 800 mA (up to 1amp). Most USB ports from your computer provide 500 mA (less than 1 amp).