3G/3GS Battery Case for Iphone 3GS/3G, HIGH Quality 1.Silicone Case 2.Solar charger 3.iPhone 3G 4. ... for Iphone 3GS/3G, HIGH Quality 1) Cell Type: Li-ion polymer battery 2) Output: DC 5V 500mA 3) Input: DV 5V 700mA4 ... , Blackberry, HTC, Nokia etc. For our products, we provide:1. Quality Control: We test ONE by ONE before delivery;2. Safe ... in China~! 3G/3GS Battery Case for Iphone 3GS/3G, HIGH Quality