Solar Charger / Car Charger for iPhone iPod iTouch - Small & Portable 4 4G 4S 3G Attach this neat little device to your keyring and use it to charge your device when your battery goes fla Charge from sunlight or just plug directly into your computer to gain charge. Charges in 6-10 Hours in Sunlight or pre charge via your USB sync cable (can be plugged directly into the solar charger) Carry around with you until you are in need of extra power!4.When needed, open the top and plug into your device, it takes about 15-20mins to charge your device. When needed, open the top and plug into your device, it takes about 15-20mins to charge your device.