Charging Pack
Both the pack and the batteries can be charged using a standard wall outlet, or computer with USB port.
To charge the pack using a wall outlet, simply plug the wall charger into the outlet and connect the opposite end to the bottom of the pack. When the blue light at the end of the cord is on, the pack is charging. When the light turns off, your pack is fully charged.
To charge the pack using the enclosed USB charger, unplug the USB cord from the wall charger and connect one end of the cable to the pack and the other to the USB port. When the blue light at the end of the cord is on, the pack is charging. When the light turns off, your pack is fully charged.