Gearonic AV-5273SPUIB  2 Piece External Rechargeable 2500mAh Backup Battery Hard Shell Case Back Cover for iPhone 5 - Non-Retail Packaging - Silver Compatible with Apple iPhone 5 ONLY. Accessory only, 3rd party product, iPhone 5 NOT included. Includes 1 USB to Micro USB charging cable. Combines rechargeable back up battery with ultimate protection. 2 pc slide on detachable hard PC back cover shell case with rubberized coating finish on both exterior and interior. Built-in rechargeable battery with 2500mAh capacity doubles the battery life. 4 LED Light Battery Status Indicator at the bottom of the frame. Standby/Charging switch at the bottom frame allows easy switching between standby and charging mode.