... 3. Battery Type: Polymer Lithium-ion battery Portable Battery Charger compatible with iPhone4S and Tablet PcProducts features: Battery Type ... & Shipping Temperature: -20°C to + 70°CCompatible with all digital devices, such as: Popular brands mobile phones ... 3G,iPhone 3GS,4G,iPadBlackberry, HTCHandheld game consoles (PSP,NDS etc),Digital camera,MP3/MP4 player, PDA, GPS,bluetooth headset etc portable ...