inputs.text: best battery charger market - researching number different battery packs charge household cell phones laptop computers ipad2 finally decided new trent icruiser imp1000 hands best best charged iphone 4 20 battery life almost no time ipad charged 39 100 4 hours perfect solution anyone must travel cannot always find quick access electrical outlet unit exceptionally lightweight small especially compared battery backs fits easily backpack without taking much space weight unit easy use simply plug usb cord push button charger even charged ipad tucked away backpack traveling library wish could charge multiple devices time would increase size weight device overall specs right wish discovered new trent icruiser sooner