... situation.Can be used in many occasion, such as in cars,in trucks,at boat,with solar system,and so on ... equipments ,for example :75W :cell phone,camera, Video game, camcorder charger ,etc.150W:laptop, PDAS , 8" TV, Halogen light buld, CD ... more information? dc ac inverter 12/24V to 220V with charger,power inverter300W