The problem is no surge capacity, it can't handle the fan inductive load
Or the C-pap air pump
my $300? PV1250 weighs 22#, and has NOT let the 'Magic blue Smoke' out of anything in this RV in 6yrs of everyday use
The cheap parts store inverters are getting to the point, where there is almost to copper in them, no wire wound inductors, no transformers
It's all digital chopper chips changing the voltage
They are only good for supplying 120v power into other electronic switching power supplies
Edit: previous post belonged in a different thread,
Corrected this post