iPhone 4 Charger External Portable Battery 2300mAh

iPhone 4 Charger External Portable Battery

Battery and protecting jacket, two-in-one, giving better signal reception, data transmission, connection to your computer and built in extended battery. IT EVEN COMES WITH A SPARE SCREEN PROTECTOR!

The external battery is designed to fit the iPhone 4 and adds significant battery life to the running time of your phone:

• Additional talk time 7 hours (3G network)


• Additional talk time 13.5 hours (2G network)


• Additional internet use 7 hours (3G network)


• Additional internet use 8 hours (Wi-Fi)


• Additional standby time over 400 hours


• Additional audio playback 30 hours


• Additional video playback 8 hours

Specification

• capacity 2300mAh


• charging time: 4-5 hours


• output voltage 5V


• output current: 500mA