1 Inverter manufacturer 2 Production Degree:IP65 3 Efficiency:95% 4 ... 1.We own a R& D Center in the United Kingdom which composed of many doctors and masters. 2 ... : computers, printers, copiers, scanners, digital cameras, etc;4.Power tools: saws, drilling machines, punching machines, air compressors, etc ... grid-type is not to worry any power waste, because by connecting inverter to grid, it can save any ...