Solio Bolt Solar Charger Anything - Simply connect to the Bolt using your device's own USB charging cable, no need for extra tips or unneeded cables. Anytime - Holds charge for up to a year in it's 2000mAh rechargeable/replaceable battery. The Bolt will give most Smartphones two complete charges. Anywhere -Charge the Bolt from the Sun, USB port, or the wall. Just insert a pencil into the middle - and prop towards the sun, use the included USB charging cable, or by using a USB wall adapter (sold separately) Your Solio Bolt includes: Solio Bolt Solar Charger, USB charge- in cable/Micro-USB charge out cable, Pencil, Quick Start Guide Battery pack and solar charger keeps electronic devices fully charged via on-board battery and rotating solar panels; charges thousands of popular USB powered gadgets Accepts charge from the sun via two high-efficiency solar panels, micro-USB power in-port, or wall outlet with optional adapter (sold separately), and holds charge for up to a year Multi-function LED light indicates battery level and charging status , and one full BOLT charge will give most smartphones two (or more) complete charges Four-hour, 30-minute charge time via USB port/wall charger, eight-to-ten-hour charge time via sun, and three-year average battery life; measures 3.5 by one by 3.5 inches (W x H x D) and weighs 5.3 ounces Comes with Solio Bolt solar charger, USB charge-in cable, Micro-USB charge-out cable, pencil, and Quick Start Guide