What size power station do you actually need?
Most buying guides tell you which brand to pick. We start with what you want to run, and work out the capacity, output and surge rating from there. No lab claims, just the maths shown in full.
Size my power stationQuick answers
Rough run times from a 1,000 Wh unit through its AC sockets. The calculator works it out for your own setup.
ApplianceAverage drawLasts about
Starlink Standard75 W11 hours
Space heater, high1,500 W34 minutes
Start here
Tool
Power station size calculator
Add your appliances and hours. Get the Wh, W and surge to look for, plus solar to recharge.
BasicsWatts vs watt-hours, explained
One number is how much it can run at once, the other is how long. Most buying mistakes start here.
Can it run…A refrigerator
Run times by fridge type and power station size, the surge you need, and how long food stays safe.
Can it run…A CPAP machine
Nights per charge with and without the humidifier, DC vs AC, and camping and outage tips.