... Adapt MP3,MP4,PSP,NLSL,IPOD,cellphone,digital came Feature solar battery charger:1, Use of high conversion efficiency monocrystalline silicon or polycrystalline ... more2, Solar panel specification: 5.0 V / 25 mA3, Charger built-in high capacity rechargeable lithium ion battery: 600 mAh4, Output Voltage: DC 5.5 ± 0 ...