Solar energy board: 5.5V/110mA High capacity build-in polymer Li-ion battery: 1300mAH/ 3.7V Output voltage: 5.5V Output current: 200~350mA Operating temperature: -20c~+45c Measurement: 95mm*63mm*14mm Weight: 70g YSF-TC004 mobile solar charger, invented by national and foreign hi-tech experts is a multifunctional emergency charger with the characteristics of environmental protection, energy saving and high technology. This product owns powerful battery-storing function and wonderful stability. Moreover, it overcomes the shortages of similar products in the market as it can work under weak or nearly no sunlight. Based on the advantages of safe protection, good compatibility, high capacity, small size, long life and high performance-price ratio, this solar charger will be the best product for business travel, outdoor operations, domestic use and gift for relatives or friends. By using this solar charger, you can charge almost every mobile phone, PDA, MP3, MP4, digital camera, etc.