⚡ UK Backup Power Calculator

Find the Right Backup Power Size for Your Needs

A simple UK backup power calculator to help you estimate the portable power capacity you may need for power cuts, short outages, or off-grid use.

Designed for UK households • No signup • Takes under 30 seconds

👇 Answer a few quick questions below

Backup Power Calculator for UK Homes

Built for UK power cuts. Add what you’d like to keep running and compare example portable power station sizes based on typical household usage. Figures shown are estimates. Actual runtime varies by appliance, usage, and conditions.

Tell us what you’d like to keep powered during a power cut or while away from mains power. We’ll estimate typical power requirements and show suitable portable power stations for comparison.

1) How will you mainly use backup power?

2) What would you like to keep powered?

Not sure what to add? See what a portable power station can run during a UK power cut →

Using a smaller setup? See what a 1000W power station can realistically run in a UK home →

Tip: choose from the list to auto-fill, or type your own and press Add.

No devices added yet. Start by adding one above.

3) Your estimated power needs

Peak Power Needed
0 W
Highest simultaneous draw.
Total Power Needed
0 Wh
Total over chosen hours.
Recommended Battery Size
0 Wh
Ideal buffer for peace of mind.

4) Suggested portable power stations (in stock)

Product What it can run Power it holds Price Stock
Add your devices above to see suitable portable power stations.

🇬🇧 UK warehouse dispatch · 🔋 Official Bluetti warranty · 📦 30-day returns for peace of mind

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