Easy to carry around and to charge conveniently.
4 LED indication lights for battery status.
Built-in light, hold it to turn it on / off.
High security: protection for overcharge, over discharge, overload, and short circuit.
4 USB output sockets which allows you to charge 4 devices at the same time.
Compatible with all smartphones and tablets.
Light-weight, easy to carry around.
Smaller size compare to other 500000 mah power banks. The acutal size (L*W*D) is around 5.8 inch * 2.3 * 1
output 1 is 1 A, output 2 is 1 A, output 3 is 2.1 A.

Item includes:

1x power bank.
1x Charging Cable(micro usb only)
Important Notes (Please Read!):
Please charge item through wall outlet for the first time.
Manufacturer’s Nominal Capacity: 500000mAh; Actual capacity: ~15000-18000mAh the A/C plug are not included with this device!
To connect to an electrical outlet, look for a mobile phone A/C power adapter