... 3.iPhone 3G 4.iPhone charger 3Gs/3G External Battery for Iphone 3G/3Gs, High Quality 1) Cell Type: Li-ion polymer battery ... , Blackberry, HTC, Nokia etc. For our products, we provide:1. Quality Control: We test ONE by ONE before delivery;2. Safe ... to be your best Business Partner in China~! 3Gs/3G External Battery for Iphone 3G/3Gs, High Quality