Best work lights for a service truck

A service truck is a workshop that has to charge itself, and that single constraint decides this category. The light that fails you is not the dim one — it is the one whose charger is on a bench forty miles away. Everything below is ranked with that in mind first and output second.

This page is about mobile field service: roadside calls, customer sites, equipment in a yard. If the work happens in a bay with mains power and a fixed bench, our work lights for mechanics page is the better fit — the trade-offs there are genuinely different, because a shop light never has to survive a truck bed or find its own power.

How we picked

1. How it is powered, first. A light sharing a battery platform with tools already on the truck needs no separate charger. A light with its own proprietary charger is one more thing to forget.
2. Two jobs, not one. Field service needs an area light to work by and something that reaches across a yard. A light that does both, or a pair that covers both, beats a brighter light that does neither.
3. It has to be put down and aimed. Magnets, hooks, kickstands and rotation matter more than the lumen figure, because both your hands are busy.
4. Currently purchasable, checked against the live retail listing before we wrote about it.

We have handled none of these lights. Every figure below is the maker's own, linked with the date we read it, and where a figure is not published we say so rather than estimating — see our methodology.

What each one publishes

One beam distance figure across seven lights — but better disclosure than this page used to claim. Klein publishes a per-mode runtime table, an IP rating, a weight and a drop rating for both of its lights here (IP65 on the 56417, IP54 on the 56073), and Streamlight does the same for the Stinger Switchblade (IPX4, 3 h 45 min). Beam distance and candela remain the real gaps: only the DeWalt publishes a distance. Re-checked on 2026-10-11 against the makers' own pages; the remaining picks here are still being re-verified.

Why the one published distance figure is the interesting one

The DeWalt DCL043 is the only light here that publishes a beam distance, and it changes how you read its modest-looking output.

That matters for field service specifically. Finding a meter on a pole, a fault on a pivot at the far end of a field, or a number on a trailer across a lot is a distance job, and a 4,000-lumen area panel will not do it however bright it looks up close.

The picks, and who each one is wrong for

DeWalt DCL043 — the answer if your truck already runs 20V MAX

1,500 lumens and 464 m of published reach, running off the same 20V MAX pack as the drill, the impact and the grinder. That is the single most valuable property a truck light can have: no dedicated charger, no dead light because you forgot to plug something in, and a spare pack always within reach. It is also the only light here that publishes a beam distance, and at 36 candela per lumen it genuinely throws.

Skip it if your truck is not standardized on DeWalt. The battery is sold separately, and buying into a platform for one light makes no sense. Skip it too if you want area lighting — this is a spotlight, and it will leave the edges of a work zone dark.

Nebo Slyde King 4K — one body, both jobs

A 4,000-lumen spot and a 1,000-lumen COB work light in a single sliding body. For a truck where space is the constraint, covering both jobs with one object is worth more than either figure on its own, and the slide action means you change beam type without changing tools. It is USB rechargeable, so it needs its own charging habit rather than sharing the tool platform.

Skip it if you need to know how long it runs — Nebo publishes no runtime for either mode, and a 4,000-lumen spot draws hard. Skip it if you want a published beam distance for the spot; there is not one, so we cannot tell you how far 4,000 lumens reaches here.

Klein Tools 56417 — the area light

3,000 lumens with six modes and 360-degree rotation, built to be set down and aimed rather than held. This is the light for making a work zone out of a dark parking lot — a vehicle side, a pump, an open panel. The rotation matters more than the modes: you put it down once and turn the head instead of moving the light.

Skip it if you need reach. No beam distance is published and the format is a broad area flood, so it will not identify anything at the far end of a yard. Skip it if you want a color rendering figure — Klein does not publish one, which for anything involving wire colors is a real gap. See CRI for the trades.

Streamlight Super Siege — the one that charges your phone

1,100 lumens of 360-degree area light, USB rechargeable, and it will put charge back into a phone. On a long roadside call that second function is not a gimmick — a dead phone on a service call is a worse problem than a dead light. It stands on its own and lights a full circle, which is the right shape for working around a vehicle rather than at one face of it.

Skip it if you want a directional beam; a lantern lights everything including your own eyes. Streamlight publishes a runtime for all six of its modes - 5 h 45 min at 1,100 lumens out to 36 h on the 125-lumen low, and 348 h on the 1-lumen red - which is the per-mode disclosure we expect from this brand. This page said it published none until 2026-10-13, which was wrong.

Astro Pneumatic 90SLC — the slim one that charges on a pad

900 lumens in a body thin enough to slide into a gap, with a quick-charge pad so it goes back on the bench rather than onto a cable. For a truck, a drop-on pad is a habit that survives a bad day in a way that plugging in a cable does not. The slim format is what you want for reaching between an engine and a fender, or behind a machine.

Skip it if you need to light a whole area — 900 lumens in a narrow bar is a task light, not a work zone. Skip it if the pad is one more object you do not want in the cab.

Klein Tools 56073 — the one that folds flat

500 lumens, folds flat, pivots 180 degrees and rotates 270, charged over USB-C. It is the lowest output here and the easiest to carry into a customer's building. USB-C means it charges from the same cable as everything else on the truck, which counts for more than the lumen gap suggests.

Skip it as your only truck light. It is a close-work tool for panels and enclosures — genuinely good at that and not intended for anything larger.

Streamlight Stinger Switchblade — the folding bar

800 lumens in a folding bar with multiple modes, USB rechargeable. The bar format throws a long even wash rather than a circle, which suits a bench, an open hood or the length of a panel. Skip it if you want a spot; the bar shape is deliberately the opposite of that. As with the rest of this page, no runtime is published.

How to buy on this page

• Your truck runs DeWalt 20V MAX — DCL043, and stop reading. Shared batteries beat every other consideration here.
• You want one light for both jobs — Nebo Slyde King 4K, spot and COB in one body.
• You need to make a work zone — Klein 56417 at 3,000 lm, or the Streamlight Super Siege for a full circle.
• You work in narrow gaps — Astro 90SLC, or the Klein 56073 for panels and enclosures.
• You need it to survive weather — none of these publishes an ingress rating. The Streamlight Siege publishes IPX7 and is covered on our construction work lights page.
• You want to charge everything from one cable — Klein 56073 on USB-C. See rechargeable work lights.

What we would not tell you

We would not tell you how long any of these run, because not one manufacturer publishes it. That is the single largest evidence gap on this page and it is worth being blunt about: in a category where the buyer's real question is whether the light lasts the call, the industry answers with a lumen number and nothing else.

We would also not tell you the 4,000-lumen Nebo is four times better than the 1,000-lumen Klein. Different beam shapes doing different jobs, and above roughly 1,000 lumens at arm's length the extra output is glare bouncing off painted metal back into your eyes.