The Eton BoostBloc 2000 is the lean and mean backup battery pack with a 2000mAh lithium battery. Perfect for jet setting and trail blazing, this small yet mighty backup battery pack features a rechargeable 2000mAh lithium battery for long-lasting reliable power. When the BoostBloc is all charged up, you’ll have enough backup power to recharge your smartphone. The BoostBloc features a Micro-USB DC input to use with most smartphone chargers and a standard USB port for charging any mobile device. Just give the BoostBlock a shake and the LED charge indicators will let you know how much battery charge you have left. SO small and lightweight you can take it anywhere. Stash it in your pocket, purse or pack for an anytime power boost. 1.4” x 1.6” x 1.6”. 2.2 oz. White finish.