Solar cell phone charger Provide power supply for MP3, MP4, mobile phones, digital cameras and other digital products CE cert 2, suitable for MP3, ... cells, solar energy conversion rate of more than 15%, in indoor lighting can be carried out under the charge. 4 ... ; 5, the storage capacity of batteries 500-800mah; 6, with a charge automatically protected against overshoot after release; 7, automatic ...