2300 mAh Lithium Ion Grade A Non-Recycled Battery | Features A USB Output And Micro USB Input (Magnetic Integrated Cable Included) | Apple® MFi Certified Lightning® Adapter Tip | LED Indicator Lights | Clip Easily Attaches To Backpack, Belt Or Pocket | Output: 5 Volts/1 Amp | Charges Most Phones, MP3 Players And More! | Apple® and Lightning® are registered trademarks of Apple Inc., registered in the U.S. and other countries.. Approximate Size: 5″ W x 1 3/5″ H x 3/5″ D, Imprint Area: 4.9″ W x 1.57″ H