1500mAh Silicone Case Solar Battery Back Case Cover Charger for iPhone 4/4S

This solar charger is an essential item for every iPhone user. It’s dual use and can be used every day as a regular backup battery / protective case or it can be kept in the car (or elsewhere) as an emergency source of power for your iPhone. It keeps you going for longer with more time to surf, download, listen to music and chat with a mini USB port, which provides power to external devices. Specifications: Lithium ion polymer battery capacity 3.7V 1500mAh Output voltage 5.4V (max) Output current 600ma (max) + solar battery 100ma (max) Charge voltage Solar battery 6V USB / DC 5V Charge current 100ma (max) + 500ma (max) Full charging time < 3 hours Peak power supplied by photocell 0.61w Weight 157g / 5.54oz Color Black Dimensions 11 x 4 x 16.5cm /4.33" x 1.57" x 6.5"(L x W x H) Compatible with iPhone 3G/3GS/4/4S Note: You could not charge the battery and the solar charger at the same time. Please fully charge the solar charger with the sunlight or computer first, then connect the solar charger with your phone to charge the phone battery.