I have installed a 110 illuminated swtich to shut the converter off. Sorry cant figure out the link thing.
http://www.canadiantire.ca/AST/browse/FathersDay/CarGuy/GarageEssentials/PRD~0111866P/MotoMaster+1500W+Mobile+Power+Outlet+and+Inverter.jsp?locale=en
I cant find my inverter online but this is as close as they have. I believe it is a modified sine wave.
http://www.canadiantire.ca/AST/browse/5/SportsRec/Marine/MarineBatteries/PRD~0102799P/Group+27+Starting+and+Deep+Cycle+Battery.jsp?locale=en
I have 3 of these.
If some one could create the link it would be greatly appreciated.