Power Calculators
Specialized calculators for specific scenarios. Each one pre-loaded with the right appliances and settings.
RV Solar Calculator
Van & RV full-time power sizing
Calculate battery, solar panels, and inverter for full-time RV living. Pre-loaded with fridge, laptop, fan, lights, and Starlink.
CPAP Runtime Calculator
Sleep apnea backup power
How many nights will your power station run a CPAP? With and without humidifier, DC vs AC adapter comparison.
Starlink Power Calculator
Off-grid internet power needs
Keep Starlink running 24/7 off-grid. Calculate exact battery and solar needs for every dish model.
Emergency Backup Calculator
Power outage preparedness
Size a system for 1-7 days without grid power. Covers fridge, lights, Wi-Fi, phone charging, and medical devices.
Need a fully custom calculation?
Use the full Power System Calculator →