Eton Boostbloc 4000 Portable Backup-Battery Pack - $59.99

Whether youre on a plane or trekking through the woods, the BoostBloc 4000 provides fast and efficient power to your smartphone or mobile device through a 200% dump charge. The sleek and elegant design fits in the palm of your hand and weighs a mere 3.7 oz. so you can rest assured its not taking up valuable space in your carry-on or pack. Its equipped with a micro-USB DC input for use with most smartphone chargers and a standard USB port for charging other mobile devices. An LED charge indicator lets you monitor the battery-charge level at a glance. Give the unit a little shake to wake it up and check its battery level. Integrated 4000mAh lithium-ion battery charges via the included USB cord when connected to your computer. Includes unit and user manual.Color: Black.Dimensions: 1H x 2.2W x 2.2D.Weight: 3.7 oz. - $59.99