Pure sine wave inverter suggestions?

2112 wrote:
I think that thing generates 150kHz DC pulses and smoothes and regulates them to a higher DC output voltage very efficiently. It's a DC input switching power supply. Going through an inverter to create true AC, and then an AC to DC charger is an inefficient, but simple approach. Maybe 70% efficient at best.

So you are saying that generating modified wave and stepping up voltage is not making it inverter?
I tought I know something about electricity, but evidently not.