Difference between sine wave and square wave inverter

Difference between sine wave and square wave inverter

Here’s some links on the subject:

1)       http://www.tomshardware.com/forum/334655-28-difference-sine-wave-square-wave-inverter

2)      http://www.powerstream.com/inFAQ.htm (this link even discusses medical equipment, too).

3)      http://www.sinetech.co.za/invselect.htm

My bottom line: mostly to put a load on my battery bank, I also hooked up a hair cutter set of shears for about 3 hours and hooked it to a square wave inverter. It worked OK for the entire time.