Think of it as the equivalent of running a 30 W electric lightbulb 24 hours a day. That will be a close approximation.
LeRoy
Homeless by Choice
FULL TIMER since 2012
2015 Chevy 3500, Duramax, 4X4, DRW, Crew cab, Long bed
2013 Northern Lite 8'11"Q Sportsman truck camper
2015 Polaris RZR Side by Side