WattRoadInternet off-grid
What size battery do you need for Starlink Mini or Standard 4?
Size a battery for Starlink Mini or Standard 4 for 4, 8 or 24 hours. Compare runtime estimates, USB-C requirements and a laptop workday example.
Read the guide →WattRoad / Guides
Plan your power before you buy.
Start with what you need to run. Use the examples to work out the capacity, then compare the details that matter for your setup.
Start with a real question
Home backup
Can a portable power station run a refrigerator?
Estimate refrigerator backup runtime from kWh per day, compare 1–4 kWh batteries and check compressor startup power separately.
Read the guide →Battery basics
Watts vs. watt-hours: how to size a portable power station
Understand power in W and battery energy in Wh with examples for a laptop, Starlink and a 1,024 Wh power station. Learn which limit to check first.
Read the guide →More planning guides
How to choose a portable power station →
Compare battery capacity, AC output, and charging before buying.
Portable power station runtime guide →
Estimate how long a power station can run your equipment.
Portable power stations for camping →
Size a battery for camp lights, cameras, and small devices.
Portable power stations for remote work →
Size a power station for a laptop, monitor, and internet on the road.
Portable power stations for power outages →
Plan backup power for lights, internet, and essential devices.