The Brunton Restore 2 is an efficient, integrated compact power pack that allows you to charge small electronics virtually anywhere. Equipped with two 100 milliampere (mA) polycrystalline solar panels and a rechargeable lithium polymer battery, you can collect energy from the sun and store it within the unit. The Restore 2 is USB 2.0 compatible, making it a great choice for charging personal devices like iPods and smart phones. Features: Water resistant Durable rubberized shell Internal rechargeable Lithium Polymer battery Power gauge and auto shut-off Mini-USB output; USB 2.0 compatible Charges from solar panel, computer USB or from included DC adapter Specifications: Solar Panel: two 100 mA polycrystalline Battery Storage: 2,200 mAh battery Output: 1,000 mA/5V (USB 2.0 compatible) Dimensions: 5.5 by 3 by 1.25 inches Weight: 8.6 ounces What's in the Box? Brunton Restore 2, DC adapter cable