Solar cell phone charger Provide power supply for MP3, MP4, mobile phones, digital cameras and other digital products CE cert 2, suitable for MP3, ... phones, digital cameras, digital video camera; 3, the use of U.S. imports and colorful polycrystalline silicon solar cells, solar energy conversion ... under the charge. 4, more than 5.7v 50ma solar cells; 5, the storage capacity of batteries 500-800mah; ...