TeckNet iEP580 iPhone 4/4S Protective Case & Extended Battery for iPhone 4 4S (Fits All Models iPhone 4S /4) Powerful Lithium Polymer Battery - 1700mAh, Power the battery life of your iPhone 4G -- get up to 5 hours of Talking time, 7 hrs Video, 28 hrs playback and 210 hrs standby time Integrated 4 Blue LED status indicator lets you know exactly how much power is left Charge and sync iPhone 4G with iTunes without removing it from the Tecknet device Dimensions: 1206217.6(mm). Weight: 70g Apple iPhone is not included.