External battery for iPhone 3G$3GS -1800mAh(With Capacity Indicator/USB interface)
(color box packing)

Capacity:1800mAh
Battery typ:Polymer Lithium-ion battery
Output voltage:DC5V
Output current:500mA
Input voltage:5V
Input current:500mA
Charging time:4-6hours
Cycle life:＞500times
Using Temperature:-10℃~ +40℃
Storage Temperature:-20℃~ +50℃

Dimesion: 113*66*21mm
Weight: 70g
Color:gloss back,gloss white,matt black and blue,matt black and green
Remark:gloss items sprayed UV glossy oil(protecting scratched);matt items sprayed rubber oil(protecting slip)