Features: (1) Fan leaf: 10 inch (2) Solar Panel: 12V/5W (3) Case Material: PP (4) Input AC: 220V (110V)/50HZ (60HZ) (5) Controller: 3 level controller (6) Battery: 2 maintenance free lead-acid battery (DC6V-3AH*2 ;) (7) Working Time: 6-8hous (8) Charging Time: 8-10 hours under sunshine It charge the battery during working with AC,and the light turns green when the batteris are full charged.