External Charger Battery Pack Case for Iphone 4g & 4s USB Charging 1900mah (bule)
100% Brand New, High quality Battery.Iphone 4/4S 4G external battery charging casefull body coverage protection for your iphoneworks as both an extended iphone battery se and a protection caseProtective and powerfulFull Body Coverage for iPhone 4/4SLightweight, thin design .Non slip comfort gripAutomatic tests functioncapacity:1900 mAhOutput voltage: DC 5VOutput current:500mA maxFully charged in 3 HoursFour LED lights indicates the power level remaining the case (Each light represents 25% of remaining power)Sleek, Low-Profile design ; Rechargeable up to 500 timesPackage Included:1 x 1900mAh External Backup Battery Charger For Iphone 4/4S