Calculator cluster
Appliance-specific
RV air conditioning, Starlink, CPAP, well pumps, 12 V fridges, pellet stoves and e-bike charging.
appliances
CPAP Machine Battery Run Time
Estimate watt-hours and battery amp-hours for a CPAP night, including humidifier draw and inverter losses.
appliances
Electric Bike / Onewheel Solar Charging Sizer
Estimate AC watt-hours and solar array watts to recharge an e-bike or Onewheel pack from peak sun hours.
appliances
12V Compressor Fridge vs Residential 110V Fridge
Compare daily watt-hours of a 12V compressor fridge against a household fridge running through an inverter.
appliances
Pellet Stove / Heater Battery Backup Sizer
Size a battery backup for a pellet stove from circulating-fan watts plus igniter surge energy.
appliances
RV Air Conditioner Solar Sizer
Estimate daily watt-hours, battery amp-hours and solar array watts to run a rooftop RV air conditioner off-grid.
appliances
Starlink Off-Grid Power Consumption Calculator
Estimate daily watt-hours and amp-hours for Starlink Mini, Standard and Performance dishes, including snow melt.
appliances
Off-Grid Well Pump Solar Sizer
Size solar, battery and inverter surge for a well pump from running watts, LRA surge factor and daily pump hours.
Other clusters
- Battery storageSize house batteries, convert amp-hours to watt-hours, estimate C-rate limits, and plan LiFePO4 or trolling-motor banks.
- Solar panelsArray sizing, tilt and azimuth, series vs parallel wiring, temperature loss, cabin loads and roof space.
- Inverters and charge controllersMPPT vs PWM yield, inverter continuous and surge watts, idle drain and generator charging.
- Wiring and electrical safetyDC wire gauge, voltage drop, inline fuses, combiner-box fusing and grounding conductors.