Solar Charger:Using nature solar to charge about 6 hours for full charge in sunny day. Charge In Cloudy:It can be charge even in cloudy day. Cable Charge:AC adaptor or PC USB charge is available. Small and Light:Only about 40g. It can be cell phone charm. Renewable Battery:It can be rechargeable and more than 500 times charging cycle 1)Small Size: 56mm*37mm*14mm; 2)Weight: About 40g; 3)Solar Cell: Singlecrystal; 4)Battery: NIMH Battery/ above 500 Times; 5)Solar Charge Current: About 30mA(100,000Lx; 6)NIMH Battery Charge Times: 135,000Lux: About 6 hours; 120,000Lux: About 8 hours; 100,000Lux: About 10 hours; 7)Devices charge Time: 12~15Mins; 8)Output Current: 4.5V~5.3V/600mA~250mA; 9)LED Lihgt: While Solar or adaptor charging; 10)AC adaptor Charge Time: About 3 hours; 11)Color:White,Black,Red,Blue; 12)Mini USB connector for MP3/MP4/PMP Devices;Optional tips for iPod and most kind of mobile phones Small Size: 56mm*37mm*14mm Weight: About 40g;