... charge and discharge more than 800 times, professional to the mobile phone, MP3, MP4, PMP, PDA, NDS, GPSPHONE, PSP, IPOD, iPhone and ... power supply! This product is environmentally friendly, energy-saving and set practical, portable, beautiful and generous in one; but also has ... the charging voltage in the range of 5.5V digital mobile equipment 2200mah battery portable power station for mobile phone