inputs.text: excellent backup battery devices - previously owned backup batteries iphone receiving ipad realised would need external battery larger capacity higher power output charge ipad adequately reasonable amount time chose imp70d seehemed one best prices features ratios excellent backup battery looking keep devices charges long journeys small light enough slip small headphone bag carry board planes able supply power 2 devices simultaneously via 1a port iphone ipod 21a port ipad months since owned charge fully still showing 4 bars even using number times top devices not ehempty certainly appears keep charge not use use included usbcable microusb tip charge imp70d using standard ipad charger standard apple 30pin cable connect ios devices also used charge phone tablets using appropriate usb cable wifes galaxy tab really pleased imp70d already suggested colleagues