Interactive tools

Run the math before you buy more hardware.

Calculators for solar sizing, battery planning, and off-grid water budgeting, plus a power audit worksheet to guide the next decision.

Estimate panel wattage, battery capacity, and inverter size for your daily power budget.

Add your appliances and estimate how large a battery bank you actually need.

Project tank needs and usage habits before your next off-grid trip.

Audit first

Start with the worksheet if you need to untangle the loads.

Use this worksheet to estimate where your power budget goes before you add more solar or battery capacity.

Fridge and ventilation70%

Computing and connectivity55%

Kitchen loads35%

Comfort systems40%