Start with the damp, not the dark

Most lantern-buying advice is written for somewhere dry and warm. British camping is neither. Your evening light will spend more time fighting drizzle, dew and condensation than genuine darkness, and the lantern that looks brilliant in a shop window can disappoint by the second night of a wet weekend in the Peak District. So judge a lantern on how it copes with moisture first, and on raw brightness second.

Battery, rechargeable or gas: the three-way choice

Almost every camping lantern sold in the UK falls into one of three families, and each suits a different kind of trip.

• Battery lanterns (AA, AAA or D cells). The traditional option, and still the most reliable in cold, wet conditions. Alkaline cells are cheap, sold in every petrol station, and you can carry spares without worrying about charging. Downsides: weight, cost over time, and cold weather saps them faster than you would like. Lithium AA cells cope with frost far better than alkaline.
• Rechargeable lanterns (USB, power bank or built-in lithium battery). Bright, light and cheap to run, and many double as a power bank for your phone. The catch is that a flat lantern in a wet field is useless, so you need a charged power bank and a dry charging cable. Look for USB-C charging and a battery you can top up from a car or a solar panel. Some models also run on replaceable cells as a fallback — that flexibility is worth paying for.
• Gas lanterns. Butane or propane mix canisters give a warm, bright, hissing glow that many campers love, plus a little heat. But they produce carbon monoxide, so they must never be used inside a tent, awning or any enclosed space. They are also fussy in the cold: butane struggles below about 5°C, and damp can affect the mantles and ignition. Treat them as an outdoor-only option for a sheltered pitch, not as your main light.

For most British campers, a rechargeable lantern with a battery fallback covers the widest range of evenings.

Brightness: how many lumens do you actually need?

Lumens measure total light output. Ignore the biggest number on the box; think about the job instead.

• 5–30 lumens: enough to find your sleeping bag zip at 2am without waking the whole tent.
• 50–150 lumens: ideal for cooking, cards and conversation under an awning.
• 200–400 lumens: lights a picnic table, a group of four, or the whole inside of a family tent.
• 500+ lumens: useful for lighting a whole pitch or a festival camp, but dazzling and battery-hungry.

What matters more than peak output is whether the lantern can be dimmed. A stepless dimmer or a low, warm setting makes a lantern far more usable than one that jumps between "dim" and "stadium". Look for a warm white (around 2,700–3,000K) rather than a harsh blue-white, which flatters nothing and attracts every midge within a mile.

Runtime: the number brands hide in the small print

Runtime claims are usually measured on the lowest setting, and they fall sharply once you crank the brightness up. A lantern advertised as "300 hours" might manage six hours on full power. Check three figures before buying: the runtime on high, the runtime on low, and the charging time. If you are heading to a festival with no hook-up, a lantern that takes eight hours to charge and lasts four is a problem. Bring a power bank rated at least 10,000mAh, keep it in a dry bag, and charge everything during the day when you can.

Cold is the other runtime thief. Lithium batteries lose capacity below freezing, so on a winter or early-spring trip, keep spare cells in an inside pocket rather than a rucksack pocket, and expect shorter evenings from any rechargeable.

Weather resistance: IP ratings, seals and soggy tents

An IP rating tells you how well a lantern resists dust and water. The first digit covers solids (0–6), the second covers water (0–8). For British camping, this is the specification that separates a good buy from a return.

• IPX4: splash-resistant. Fine for condensation and light drizzle under a porch.
• IPX6: protected against powerful water jets. Genuinely rainproof; the sensible minimum for an exposed pitch.
• IPX7: survives temporary immersion. Useful if you canoe or camp in a bog.

Rubber seals and a rubber-covered charging port are the details that keep water out. Silicone grease on the seal once a season helps, and drying the lantern before you pack it away prevents the mouldy, corroded mess that ends many cheap lanterns. If the lantern has a hanging hook or a magnetic base, check it works with cold, wet hands — that is when you will be using it.

Five checks before you hand over your money

• Can you dim it? Stepless is best.
• What is the runtime on high? Not on low.
• Is it at least IPX6? If it will live outside.
• Does it take spare cells or a power bank? Redundancy wins.
• Is it warm white? Kinder on the eyes and less attractive to insects.

Get those five right and your lantern will earn its place in the kit bag for years of damp, drizzly, thoroughly enjoyable British evenings.