Use this intelligent mobile powering unit to charge up to 3 devices at once. The Cobra CPP50 features a 2.1-amp rapid charging ability to quickly refuel your cell phone, smartphone, tablets, and more. Illuminated battery status bar monitors battery status. Compact design of the power pack is small enough to fit in your pocket. Built-in input cable eliminates the use of extra cables. Rechargeable lithium-polymer battery pack via USB port. 4.3"H x 2.5"W x 0.7"D.