Solar Charger for Laptops,Cellphones,Digital Camera,MP3 MP4 etc Convenience High Efficiency Environmentally friendly & Safety ... battery inside using Ac: 3-4 hours8. Indication: charging and discharging state9. Scope for charging. Mobile phone, digital camera, PDA, MP3, MP4, ... :Used for most mobile phones, MP3 or MP4, PDA, digital camera, and laptop New Solar Charger for Laptops, Cellphones ...