Pure sine wave inverters come out with pure sine wave.

They work for equipments with inductive loads e.g. Motor, Compressor, Pump, old CRT TV, Refrigerator, Ice conditioner, Air conditioner, Relays, Fluorescent lamp, Vacuum cleaner, please choose inverter whose peak power is 3-7 times higher than the load's rate power. For example, for a 150w refrigerator, please choose a 1000w inverter or higher; for a 800w air conditioner, please choose 2500w inverter or higher.