Reviews Description: Features this design, packed with 9,600 mAh of power (enough to fully charge a tablet). Works with most cell phones, MP3 players, gaming devices, GPSs and PDAs, as well as many other handheld devices. Pre-charged for your convenience. Amount of charge may vary. Typical charge 65-75%. Recharge your PowerBar using the included USB cable. Output voltage: DC 5.0V - 2.1A Includes: PowerBar travel charger, travel case, master cord with two female connectors, and tips for most popular tablets, cell phones, smartphones, MP3s, PDAs, and handheld game consoles.