2000 mAh rechargeable lithium polymer Grade A battery with Beechcraft logo, is enough to charge smartphones, MP3 players and more. Includes a strap for easy portability. Reusable power bank charges via USB cable (included) which can recharge the battery backup or be used to charge devices with micro-USB input. Blue LED indicator light turns on when device is fully charged. Input: 5V/500mA. Output: 5V/1000mA. US Patent #D760, 647S.Media de. 0.375 H x 2.375 W x 2.75 L.