Keep this ultra thin rechargeable universal battery in your wallet or back pocket to charge any of your electronic devices via your USB in a pinch. Thin and light, this card size battery will charge iPhones, mobile phones, iPods, speakers and more. The LED Button indicates how much power you have got and when you need to recharge it.
Capacity: 1300mAh. Input/output: 5V. Measures: 3.5"H x 2.25"W x 0.1"D.