External Charger Battery Pack Case for Iphone 4g & 4s USB Charging 1900mah (white)

Description

Weight: 65g Capacity: 1900mAh Cell type: Li polimer battery lithium-ion Output voltage: 5v Output current: 500mA Cycle life: 500 times Standby time: Up to 230 hours Talk time: Up to 6 hours Internet use: up to 5.5 Hours on 3G and Up to 8 hours on Wi-Fi Audio play back- Up to 30 hours Video playback- Up to 8 hours