. "Bottom line: true sine wave is actually more cost-effective in the long run for motor applications, due to increased efficiency and extended life.If you do not need to run induction motors on the inverter, and all you have are battery chargers, cell phones, LCD TV's, household appliances, computers, ink jet printers all types of lights\" then MSW is a fine choice, and I, too, would choose to save t" . . . . .