The Motorola P4000 Universal Portable Power Pack lets you charge your phone, tablet, eReader, or other electronic device wherever you are! Thanks to its powerful 4000 mAh capacity, the P4000 can provide up to two smartphone charges or one complete tablet charge in half the time of a standard wall charger. Simply use the USB cable that came with your device to connect it to the P4000 and get your device charging. The Motorola Power Pack features a slim, lightweight design so you can slip it in your bag or pocket and take it with you wherever you go. No need to keep looking for a wall outlet to power up your phone!