inputs.text: across board - spent couple hours researching options rechargeable battery pack aging iphone clocking increasing frequency holding iphone 5 settled new trent products based overwhelmingly positive user reviews ended buying imp70d compact form high capacity dual ports overall value using couple weeks pleased high capacity unit allowed keep iphone alive away vehicle charger wall outlet imp70d packs much juice dual port design also allows charging new ipad something not think originally even charge kindle 4level blue charge status lights keep informed rehemaining charge level battery nice touch often tuck imp70d scottevest wear conveniently carry ipad iphone flat battery fits comfortably interior pocket iphone pocket two connected iphones usb cord no longer concerned dead iphone away outlet flat form factor imp70d makes possible port end facing zippered pocket button easily accessed side unit next usb ports one corner unit not unzip pocket press fumble around trying access could simultaneously charge ipad iphone rested vestwith electronic devices wiring battery wear vest might start concerned someone mistake suicide bomber