inputs.text: excellent better initial impressions - really really like easypak number reasons couple caveats first looking pocketportable device higher mah 5600 device already second specifically wanted device 2 amp output faster charging iphone 5 easypak stood stiff competition amazon shopper proudly find amazon customer ratings rating system useful selecting equipmentinitially rated product 4 stars potential reservations far not materialized first think product could physically smaller package mah rating battery products seem similar dimensions higher mah ratings course products substantially heavier well even marginal improvements dimensions markedly improve pocketablilty said pocketablity easypak high due relative thinness surprisingly light weight second initially concerned integrated usb charging cable integrated miniusb output cable products owned lacked features concerned would awkward work not proven new trent thoughtfully included rather clever femalemale usb extender cord greatly improves practicality recharging device caveat extender cord not particularly long usefully long since iphone miniusb output not see use android device owners outstanding featurei not engineer love useful gadgets 21 amp output really improves charge rate iphone love also really like second usb output port case friend needs love people actually carry external battery packs get everybodys best friend lol owned used easypak couple weeks ive no issues durability product usb input cord however ive not put hard use careful charging cord really dont know would stand hard use hanging wall adapter computer etcoverall going rate 4 stars 2 weeks use ive rated solid 5 stars highly recommended