Seidio Innocell 3500 mAh Extended-Life Battery for HTC DROID Incredible - Black Adds 5-6mm to your HTC Droid Incredible and comes with a black replacement door to accommodate the larger size of the battery Capacity: 3500mAh To obtain the full capacity of your battery, leave the battery/your phone on the charger for an additional 2-3 hours after the charging indicator turns green or the battery status shows full. For use with: HTC Droid Incredible Made from the highest quality Japanese Lithium Polymer cells Comes with a black replacement door featuring Seidio's signature soft touch coating Keeps your phone charged and ready to go, even with heavy phone and data usage Capacity: 3500 mAh Adds 5-6mm to your HTC Droid Incredible and comes with a black replacement door to accommodate the larger size of the battery For use with: HTC Droid Incredible To obtain the full capacity of your battery, leave the battery/your phone on the charger for an additional 2-3 hours