Power Bank for 4G/4S 1.1800mAh built-in battery cell 2.charge and call at the same time 3.Scratchproof, protect the phone

Power Bank for 4G/4S*1800mAh Li-polymer built-in battery cell

*Smartly match iPhone4 and iPhone4S

*charge and call at the same time

*Simple elegant appearance,,

*Scratchprood Surface, practical and fashionable

*Strong & durable engineering material protect your devices from bumps & scratching.

Electric performence 1 Capacity   18000mAh2 Input  5V-500mA3 Output  5V-500mA4 Weight about 70g5 Color  Black6 Used for  iPhone 4 , iphone 4s7 Charge time   About 5 hours(Use computer USB )8 Battery  Polymer Battery9 Cycle life  Approx. 500 times10 Package  Neutral blister packing or standard box11 Over Current/ Over Charge/ Over discharge and Short Circuit Protection

1800mAh Power Bank for 4G/4S