... use&maintain 3.costeffective 4.with IEC,CE,ROHS Costeffective Portable Solar Power System FS-S901 Our unique advantage:1)We are ... lighting,electronic products charging5. Indicating functions on the board1.Solar charging indicator2.Battery voltage indicator3.6V ouput working indicator4.5V ... ,MP3, camera,etc, USB to DC cable,901-904 solar power home systemFunctions of FS-S901Left side and front side of ...