... product is a multi-function mobile solar electric home power system. Most suitable for indoor use. ... also be used as a back-up home power / charger for mobile phone, camera, DV, MP3, MP4, PSP, iPod ... This product is a multi-function mobile solar electric home power system. Most suitable for indoor use. ... also be used as a back-up home power / charger for mobile phone, camera, DV, MP3, MP4, PSP, iPod ...