RV Daily Energy Use Calculator

Edit the watts and hours per day; set hours to 0 for anything you don't use.

ApplianceWattsHours/day
LED lights (total)
12V compressor fridge (avg)
Residential fridge (avg)
Water pump
Furnace fan
Roof vent fan
TV
Laptop
Phone charging
Starlink Mini
CPAP
Microwave
Coffee maker
RV air conditioner

Next: size your solar and battery bank. For accurate numbers, measure real loads with a battery monitor or plug-in watt meter for a few days.

Safety: These are general estimates, not a design. Follow your equipment manufacturer's instructions and local electrical code, and consult a qualified electrician for anything connected to shore power, a house, or high-current batteries.

Gear for this project

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