... 3.iPhone 3G 4.iPhone charger 3Gs/3G External Battery for Iphone 3G/3Gs, High Quality 1) Cell Type: ... Li-ion polymer battery 2) Output: DC 5V 500mA 3) Input: DV ... wholesale Parts & Accessories for Iphone, Blackberry, HTC, Nokia etc. For our products, we provide:1. Quality Control: We test ONE ... Business Partner in China~! 3Gs/3G External Battery for Iphone 3G/3Gs, High Quality