Technical parameters: 1. The capability of the built-in Li-battery is 500MAH, can support your mobile phone for 20-40 minutes of talk time depending on your mobile phone. 2. Charging time: 3 hours under strong sunlight, more time will be involved in inferior weather, it can be charged by DC(with wire to connect with light cigarette in your car) or AC directly(AC adaptor) as well. 3. The range of temperature: 5-35 ℃, operating voltage: 4.6-5.5 volt. 4. Applications: mobile phones charging (with 5 adaptors: Nokia, Siemens, Motorola, Samsung, Ericsson, more is available at the request of the clients), CD player, MP3 player, Cassette player, digital camera(with a universal adaptor). 5. Accessories: Solar panel, universal adaptor, AC adaptor, wire for light cigarette, adaptors for mobile phones, 5 purchase. 6, Two outlets for different devices connecting. 6, Torch