we have a trip-lite 1250w
i installed in when the "Freedom 10" a 1000w died,
i like the freedom it was a good unit, but at the time i could not get it repaired
Trip Lite makes very Solid inverters, ours has been running almost non-stop full time for 4.5 years
it was only shut down during engine repairs, and we were in a motel
I can explain it to you.
But I Can Not understand it for you !
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1997 F53 Bounder 36s