solar external backup power for iPhone 4

This is a solar powered backup battery for your Apple iPhone, iPhone 4, iPhone 3G, Apple iPod in a convenient way. It can easy attach to your iPhone for backup power and can also be charged by sunlight. It also be charged with the traditional USB cable, laptop or computer (requires USB cord adapter). LED indicator lets you know the battery status.

Solar iPhone charger specification:
*Solar panel Power: 0.8w
*Built-in battery capacity: 2000mAh
*PC USB DC input: 5v/500mA
*AC adapter input: 100-240v
*DC output: 5.5v/800mA
*State display: 4 LED bar for battery capacity
*Protection: Reverse current protection circuit integerated to prevent batteries from being discharged, overcharged and short circuit
*Charging time: For the built-in Lithium polymer battery using computer USB charging cablel: 4-5 hours
*Accept device: I-POD, iPhone, iPhone 3GS, nano4, touch2, Nokia, Motorola, Sony Ericsson and Samsung
*Accessory: 1 computer USB cable, output cable, 5 PCS power plugs
*Size: 126x66x23mm
*Weight: 120g