Comparing light sources for use during a power outage
Battery lanterns, rechargeable lamps, headlamps and candles each suit different tasks during a power outage. Here is how to compare them and use each one safely.
The right light during a power outage depends on the job. A lantern lights a whole room, a headlamp keeps both hands free, and a rechargeable lamp suits a fixed spot such as a kitchen counter or a reading chair. Candles provide light too, but they carry fire risks that the other options avoid. Matching each source to the tasks you expect is the most practical way to choose.
Plan for several sources rather than one. A dead battery, a rechargeable lamp that was never charged, or a flashlight left switched on can leave a household in the dark at the worst moment. Two or three different types, each with a clear job, give you a backup when one stops working.
Start with the tasks you will actually do
List what you need light for during a typical evening without power. That usually means getting around the house safely, preparing simple meals, reading or playing games, checking on children, and finding things in closets and cupboards. General room light is different from task light, and walking light is different again. A lantern with a diffuse glow suits a living room, while a focused beam is better for reading small print or looking into a corner.
Think about where you will be when the lights go out. If you spend most of the evening on the couch, a lantern on a side table is the most useful choice. If you are moving between rooms, you need light that reaches the floor and the stairs, which a flashlight or headlamp handles better.
Battery and rechargeable lanterns
Lanterns that use LED bulbs are often the strongest choice for lighting a room. LEDs produce a lot of light for the power they use, and they run for many hours on a set of batteries, which matters during a long outage. Look for a lantern with a stable base, a handle, and a switch that is easy to find in the dark. Choose a model that takes batteries you already keep, so the spares you have on hand will work.
Battery storage deserves attention. Keep spare batteries in their original packaging or a labeled container, check the expiration date on the package, and rotate the stock every year or two. Remove batteries from any light you will not use for months, because leaking batteries can damage the device. Many lanterns have a rechargeable pack, which is handy, but make sure it is charged before a storm arrives and that you have a way to recharge it during a long outage.
Rechargeable lamps and power banks
A rechargeable lamp is convenient when you want light in one spot without carrying it around. Charge it fully before the weather turns, and keep its charging cable with it. Compare the rated runtime on the high and low settings, which the packaging or manual usually lists. Using the low setting whenever it is bright enough makes a single charge last longer.
Power banks are useful for phones and small lamps, but they do not replace a dedicated lantern for general lighting. Use the cable and charger that came with the device, and charge the power bank on a working outlet before the outage starts. Keep these devices somewhere easy to reach, such as a kitchen drawer, and do not charge them on flammable surfaces or leave them in a hot car.
Headlamps and flashlights for hands-free work
Headlamps are the best choice when both hands are needed. They work well on stairs, in closets and basements, and for simple tasks such as finding items in a cupboard. Pick one with an adjustable strap and a low or red setting, which protects your night vision and avoids glaring into the faces of the people you are talking with.
A plain flashlight still has a place. Keep one at each main exit, one at the bedside, and one in the car if you carry one. Test each flashlight once a season, and replace batteries that show weakness rather than waiting for them to fail during a storm. Flashlights hold up well in damp conditions when their seals are in good shape, so check the O-ring or gasket when you test them.
Candles and other open flames
Candles give a warm light, but they are the riskiest option. Open flames are easy to knock over in a dim room, and they can ignite curtains, bedding, or paper within minutes. If you use candles at all, set them in stable holders on a flat, non-flammable surface, keep them away from anything that can burn, and blow them out before you leave the room or go to sleep. Never leave a lit candle unattended, and keep children and pets away from them.
Never use a camp stove, a gas grill, or a generator indoors for light or heat, and do not use a gas oven to warm a room. These devices release carbon monoxide, which has no smell and can build up to harmful levels in a closed space. A lantern or flashlight is almost always the safer choice.
A practical set for most households is one or two lanterns for the main living areas, a flashlight at each exit, and a headlamp for each adult. Add a rechargeable lamp for a fixed spot, and keep spare batteries in a labeled container. Test every light once a season, including the headlamps and spare batteries, so you know which ones work before the power goes out.