When the power goes out, keep your home running.
Plain-English guides for people living in Spain: how to choose the right backup battery and put together a blackout kit without overspending.
See our recommended power stations Build my kit
28 April 2025Spain and Portugal lost their power supply for hours.
×7Demand for generators in Spain jumped after the blackout, according to idealo.
72 hoursThe self-sufficiency European authorities recommend for every household.
How much battery do you need?
Choose how long you want to last and what you want to keep running.
Where to start
Three guides that answer what readers ask us most. If you only have five minutes, start with the comparison.
The best portable power stations for 2026
EcoFlow, BLUETTI, Jackery, FOSSiBOT and Anker head to head, based on what you want to keep running.
What to put in a blackout kit
The checklist for 72 hours at home, with boxes to tick off what you already have.
Wh, W and LiFePO4 explained
What the numbers on the spec sheet mean and which ones really matter.
Our quick picks
One recommendation per type of household. The comparison has the full review of each one.
| Best for | Model | Capacity | Output | Link |
|---|---|---|---|---|
| Router, phones and lights for one night | BLUETTI EB3AThe compact one | 268 Wh | 600 W | See review |
| Fridge, router and laptop for a working day | EcoFlow DELTA 3The best all-rounder | 1,024 Wh | 1,800 W | See review |
| Fridge, router and lights for a full day | FOSSiBOT F2400Most Wh per euro | 2,048 Wh | 2,400 W | See review |
We recommend what we would put in our own home
Nunca Sin Luz ("never without power" in Spanish) is an independent project. We check spec sheets, warranties and reviews from buyers in Spain before recommending anything.
How we work- Verifiable figuresEvery capacity and output figure we publish comes from the manufacturer's official spec sheet.
- Made for homes in SpainSchuko sockets, warranty and service in Spain, prices in euros and Spanish shops.
- Transparent about linksWe earn a commission if you buy, but no brand pays to appear in our lists.
You don't need to spend €1,000 to be prepared
A radio, a light and a good power bank already cover the essentials. The kit checklist tells you what to buy first.