A multifunctional solar emergency charger, solar battery charger for universal multimedia adapters. Compatible with Mobile phone, Digital camera, PDA, MP3, MP4, ect. Ecological, respectful to the environment and economic High solar energy convert efficiency: over than 15%. Solar energy boar: 5.5V/ 80MA. High capacity built-in polymer battery with 1600mAh. Output voltage: 5.5V. Output current: 1000mA. Charging time: about 60 minutes (the time is a little different for different mobile phone). To charge the build in battery I the charger using solar energy: 10-15 hours. To charge the built-in battery in the charger using computer or AC adapter: about 5 hours. Very useful at home, on travel, at camping, in the outdoor nature.