inputs.text: new trent easypak nt70t great little portable ext battery pack go - recently purchased device great bit longer igeek imp99dnt99d ext battery back builtin usb cable also comes usb extender plug either computers usb port charge fully ac wall adapter usb plugin ac wall adapter not come onepros device professionallooking shiny top plate button push tells much charge left unithas 4 green lights not bright 4 light full charge completed one side builtin short usb cable input charging side walletsized unit builtin short cable plugging directy google nexus 7 tabletthis quite handy dont carry around extra cable unit nice solid feel tell thought went engineering product also 2 x usb inputs clearly labeled back device output 1 21a tablets output 2 1a smart phonescons device would nice 2 built cables could extend unit placing retract system not big deal also builtin iphone cable would plus dont carry around extra oneto charge device plug one devices usb inputs let recognize itif not recognized first press button green lights light start charging plugged inwhen first received unit already 3 bars charged took 2 hours charge fully plugged google nexus 7 tablet via builtin side cable tablet 25 charged device charged 100 within less 2 hours timewhen charge complete ext battery pack still 2 green bars left charging devicesso charged iphone 4 10 way 100still 1 bar left charged iphone 4 next day 60 100 finally 1 green blinking light stopped charging knew juicesince power plugged laptops usb port work immediately began chargingtook 75 hours charge fully via laptop usb port not heat didnt even get warm definite plus safety ive also dropped twice carpeted floor not even scratchso go buy one little guys put back pocket plug smart phone another pocket town without worry phones battery going dievery nice useful product give 5 5 stars even short side cables