EZOPower EZMFI21 Foldable Backup Battery Sync & Charge Dock 2000MAH for Apple iPod iPhone Backup Rechargeable Battery Docking Station. Made for iPod iPhone / Licensed by Apple. Sync & charge iPod or iPhone by connecting USB cable to PC/laptop. Battery dock will not be charged. Portable, slim, and light weight design. Dock iPhone at a comfortable reading angle and provides convenient access on your desk. Real time LED battery status indicator. Recharge battery dock by connecting USB cable to PC or wall outlet. Integrated microchip prevents overcharging. Package includes backup battery & mini-USB cable. iPhone not included. Battery type: Lithium-Polymer. Input: DC 5V / 1A. Output: DC 5V / 500mA. Weigth: 70g. Dimension: 78 x 60 x 12.6 mmNote: Fits most of the standard slim cases on the market. If your case is a little thicker, you can remove the cushion pad on the charging port for extra space.