Wagan Solar eCharger is great for traveling and recharges your electronics with the sun. A built-in lithium battery provides backup energy. Battery as well as electronics can be charged by sunlight, AC power and DC power. Battery can handle up to 180 minutes of talk time. It's compatible with a wide range of Sony Ericsson, Nokia, Samsung and Motorola phones. Includes two USB ports for your iPod, PDA, portable CD as well as MP3 players, audio player, MP4 and digital cameras. Adjustable voltage switch provides safety of your electronics. It has a built-in LED flashlight and includes AC as well as DC chargers. Pocket size so you can take it anywhere and to recharge the solar e charger, simply open the cover and face it toward the sunlight. It takes about 5-8 hours to fully recharge the charger depending on the intensity of the light. It can also be recharged with electricity using the included AC and DC power adapters. Compatible phone tips Nokia (Nokia1), Samsung (SCH, SGH), Blackberry/Motorola (KRZR, L2, L6, PEBL, Q, RAZR, SLVR, V2) and LG (AX, LX, VX, Chocolate, enV, Shine, Venus and Voyager). iPod and iPhone cord not included. Specs power at full sun 3 watts. Lithium ion battery 2000 mAH. Current by battery 1mA Max. USB output: 1000 mA. Output voltage by battery: 4.5 volts DC to 9 volts DC. Weight without batteries 7.6 oz. (216 g). Product dimensions (folded) 5 x 3.25 x 0.87 inch.