... 3.7V/3000MAH battery Suitable for mobile phones, MP3, MP4, PDA. Solar Multifunction Charger for mobile phones, MP3, MP4 Technology Parameters:1. ... poly solar panel and can continue to charge mobile phones 1.5 hours. The mobile phones can continue to work 30 hours after ... can charge mobiles reliably. 5. Wide utilization: Suitable for most mobile phones, MP3 or MP4, PDA, digital camera, CD etc. Solar ...