A:AnswerTo charge the battery use the cable included in the packaging l, insert the micro usb end into the battery and then insert the usb side into your power source. After an hour or so the battery should be at full charge where you can chane out the cable for your lighting cable and viola you have your working power pack for your iPhone
A:AnswerPlug the included cable into the charger, plug the other end into any powered USB port or into the wall adapter that your cell phones charging cable uses.
A:AnswerOnce you plug the charger pack into your device you'll need to press the slender black button under the blue lights. The ones that's show you how much charge you have.
A:AnswerWhen you plug your phone to charge it, you should also push the button on this power bank. Yes the blue light should be on or blinking when it's charging your phone
A:AnswerIt will take a bit for 1st light to come on but not long. It charges all 3 dots pretty quick too. If any issue, take back and Best Buy will work w/you.