inputs.text: solid performer great form factor - bought imp70d battery pack right long trip quite bit research brief experience friends imp99d saved day chose imp70d flatter cleaner form factor despite slightly lower battery capacity exactly promised reliably charging manner devices iphones ipads simultaneously course nonapple products well included package relatively short pigtail cord standard usb one end minimicro usb adapters aware wall transformer not included package existing apple minicube transformer usb power source trick one feature newer model older ones apparently not smart sensing power saving capability turns battery pack device fully charged interestingly imp70d not get hot charging discharging likely sign good power thermal regulation lead longer service life previous generation battery packs cooling vents one appears not need overall solid product keep mobile