·Capacity: 1800mAh

·Cell type: Li Polymer Battery

·Input: 5V/±0.5/500mA                

·Output: 5V/500mA

·Charging time: around 3hrs

·Cycle life: 500 times

·Dimensions: 126*66*21 (mm)

·Weight: 64g

Compatible with:iPhone 3G,3G s

·power check and indication with button and 4 LED

·safe control with power switch

·protective and powerful

·micro-usb charge and sync

·with top cap to protect better

·LED light