Features:

• Internal rechargeable Lithium Polymer battery keeps extra energy at hand.
• Water resistant with a durable rubberized shell.
• Power gauge and auto shut-off.
• Charges from Explorer Solar Panel, computer USB or included DC adapter.
• Recharges more than 500 times.   Specifications: 
• Overall Dimensions:  3.5" x 3.75" x .75"
• Weight:  5.5 oz
• Output:  Mini USB 1,000 mA / 5V (USB 2.0 compatible)
• Battery Storage:  3,200 mAh battery.

Rechargeable Devices-

• MP3 Player
• Cell Phone
• Smart Phone
• Satellite Phone
• Portable Game Console
• AA Battery Recharger

The purchase of additional adaptors maybe required for charging devices. See the instructions for your specific device.