3G/3GS Battery Case for Iphone 3GS/3G, HIGH Quality 1.Silicone Case 2.Solar charger 3.iPhone 3G 4 ... charger 3G/3GS Battery Case for Iphone 3GS/3G, HIGH Quality 1) Cell Type: Li-ion polymer battery 2) Output: DC 5V ... 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