For backup battery 3Gs iPhone

Specifications 1.100% compatible with Original battery and no memory effect

2.Competitive price & prompt shipment

3.1 year warranty time

For backup battery 3Gs iPhone,rechargeable battery
  Input:                  DC5.0V, 500mA Output:               DC5.5V, 500mA Cell:                    Li-ion Capacity:           1,700mAh Size:                   62 x 59 x 12.4 mm Weight:              58g Charge time:    4hours Applications for i-POD, iphone,  iphone 3G. nano4,touch2   Multiple safety protection:
overcharge,overdischarge,overcurrent,overtemperature,temperature controls switch,
high temperature fuse gives extra protection.   Note:
12 months warranty,passed CE, UL,RoHS, SGS, ATC, REACH, ISO9001:2000