... sine wave OFF GRID power one inverter in Qingdao allrun new energy co., LTD1.Pure sine wave ... wind or no solar can charge the power from city power to battery bank.2.Application:1) ... traffic lights, and etc. 2) Industry equipments series: solar energy, wind power, gas discharge lamp and etc. 3 ... cleaner, AC, lighting lamps, and etc. 6) Power tool series: electric saw, drilling machine, punching machines, ...