Home battery size calculator
Work out how many watt-hours you need for the devices and hours you have in mind.
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Plain-language guides to choosing and using a portable power station, with the math shown.
Work out how many watt-hours you need for the devices and hours you have in mind.
A step-by-step method to pick the right capacity and output for your devices.
Runtime for full-size fridges, mini fridges and freezers on every station we cover.
What watt-hours, watts and surge watts mean, and which one decides runtime.
How many nights each station lasts, with and without the humidifier.
Weight against runtime for tents, car camping and vans.
What it takes to keep a fridge, Wi-Fi and lights on through a blackout.
Typical power draw for 35 household devices.