Best power failure lights that turn on in an outage (2026)
The first minute of a nighttime outage is the dangerous one: stairs, kids and pets in total darkness. Power failure lights plug into an outlet, stay charged, and switch on by themselves when the power goes. Here are the options compared.
By PreparedStates editors · Updated October 22, 2026 · 3 products, prices indicative
All 3 compared
| Light | Type | Power | Runtime (maker) | Price |
|---|---|---|---|---|
Plug-in night light / power failure light · Plug-in, battery backup Light comes on by itself when the power goes | Plug-in night light / power failure light | Plug-in, battery backup | — | |
Our verdictOur verdictResearched Plug these into hallways and stairs: night lights normally, they switch on automatically when the power fails, so nobody hunts for a flashlight in the dark. Six in a pack covers a house. Best for Light comes on by itself when the power goes Good
Worth knowing
Who shouldn't buy it: Don't buy it if you need light for hours: add a lantern. | ||||
Plug-in flashlight, auto-on · Rechargeable, sits in the outlet Always-charged flashlights that light up in an outage | Plug-in flashlight, auto-on | Rechargeable, sits in the outlet | — | |
Our verdictOur verdictResearched These sit charging in an outlet and switch on when the power drops, then come out as flashlights. Best for Always-charged flashlights that light up in an outage Good
Worth knowing
Who shouldn't buy it: Don't buy it if you want the cheapest per light: the 6-pack night lights are cheaper each. | ||||
Plug-in power failure light · Rechargeable · Up to 6 hours Budget auto-on lights | Plug-in power failure light | Rechargeable | Up to 6 hours | |
Our verdictOur verdictResearched A cheaper set of plug-in lights that switch on in an outage; ROSSEX quotes up to 6 hours. Best for Budget auto-on lights Good
Worth knowing
Who shouldn't buy it: Don't buy it if you prefer an established brand. | ||||
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Before you buy
Put one at the top and bottom of the stairs, in hallways and in kids' rooms.
Most double as handheld flashlights once unplugged.
Runtime is short compared with a lantern; check the maker's figure.
They need an outlet to stay charged: plan where they'll live.
We verify every product's specifications against at least two independent sources, re-check its US price and stock on a schedule where we can track it automatically, and cross-check safety-relevant claims against official guidance. Every review is labelled Researched or Used and reviewed by us: where we've bought a product, or been sent it free, and used it ourselves, its review says which; where we haven't, our verdict is a considered spec-and-evidence comparison, not a hands-on test — and commissions never change a ranking either way. Read our full methodology →
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Common questions
How do power failure lights work?
They sit in an outlet charging, and switch on automatically when the power cuts out.
Where should I put power failure lights?
Stairs, hallways, bathrooms and children's rooms: anywhere someone might walk in the dark.
How long do they last?
Usually a few hours; ROSSEX quotes up to 6. Use a lantern for longer outages.
Can I use them as flashlights?
Most unplug to become handheld flashlights.