Originally Posted by Sk8nmike
I'm looking at a Pure Sine Wave due to some of my electronics don't work well with a square wave or abrupt/stepped changes in the voltage.
Primary use is to keep the House batteries charged. My RV goes several weeks per month in storage, not a full time RV'er yet.
It's not the abrupt change that the electronics don't like - that's easily filtered out with LC filters. It's the unknown harmonics they sometimes object to and it requires a tuned filter for each harmonic.