Tools
What do you want to find out?
Choose a question below. Each tool explains the numbers you need and what the result means.
No account required. Calculations run in your browser.
Not sure where to start?
Begin with your daily energy use. It’s the starting point for battery and solar planning.
I’m planning a system
- How much energy do my devices use each day?Daily Power Consumption Calculator
- How much battery capacity do I need?Battery Size Calculator
- How much solar do I need?Solar Size Calculator
- What size inverter do I need for my loads?Inverter Size Calculator
- What size generator do I need for my loads?Generator Size Calculator
I already have a system
- Will my solar setup cover my daily energy use?RV Power System Checker
- How long can my battery run a steady load?Battery Runtime Calculator
- How much sun do I need to recharge my battery?Solar Charging Time Calculator
- Can my inverter handle these loads?Can I Run This on My Inverter?
- Can my generator handle these loads?Can I Run This on My Generator?
- Can 30A shore power handle my running loads?30 Amp RV Shore Power Calculator
- Are my running loads within the limit on each leg of my 50A shore power?50 Amp RV Shore Power Calculator