Features:
1) 4200mAh
2) white !#!amp!*! black gold color available
3) back cover protection
4)8pin port for iphone 5 iPhone 5s

4200mah with 8 pin connector ultra slim external battery for iphone 5 iPhone 5s
·4200mAh Li-polymer battery
·Decoded iphone5 8pin connector
·for iphone 5 iPhone 5s ios7
·CE ROHS FCC MSDS certificate

Specifications:
capacity 4200mah
input voltage DC 5V ±0.2
input current 500ma
output voltage DC 5V ±0.2
output current 500ma
standby time 360hours
recharge time 5hours
charge methods USB WALL PLUG
cycle life OVER 500 TIMES
product material PVC+ABS

One item contents:
1x portable charger case for iPhone 5 iPhone 5s