Latest Universal Solar Power -2 in 1 powerSelling point: *Where there is sunlight, where there is a power *Change cellphone & iPods in the same time *Mini USB input, stand USB output, charging with discharging! *Charging anytime anywhere! *Green power, free charger! *Supply to mobile phone, media player, PSP and etc *Perfectly suit outdoor activity and businesss trip. Capacity: 2000mah/3.7V Mini USB dock: Input 5V USB dock one: Output 5.5V support Nokia Samsung Moto, Sony Ericsson etc. USB dock two: Output 5V support iPods, MP3, MP4 etc.Other functions *low-voltage warning *power-off automatically *over-charge/discharge and short-circus protection