Flashlights
Coast Slayer Max Red Review: A Slim EDC Flashlight With a Dedicated Red Light
Coast's Slayer Max Red is a flat, pocketable flashlight with a one-press red mode, a 1,000-lumen turbo, and dual magnets, though turbo run time and heat are worth knowing about.
Introduction
Coast has built its reputation on budget-friendly lighting, and the Slayer Max Red is one of the company’s more expensive small flashlights, sitting at roughly $60. It belongs to Coast’s family of slim, flat-profile lights that keep the Slayer name, and it brings a twist most of the lineup does not have: a dedicated button that jumps straight to a red light mode. If you work around light-sensitive environments, preserve night vision, or just like having a secondary red beam on hand, that alone makes it an interesting option.
Design and Form Factor
The Slayer Max Red follows the flat, bar-shaped layout Coast uses across several of its slim lights, with a boxier alternative range available for less money. The finish is genuinely nice, with a bit of artistic flair in the circular machining patterns across the body. One honest critique: the grip texture sits near the front, where it is not really needed, while the rear section, where a way to index the light in the hand would actually help, is comparatively plain.

Operation lives on the spine of the light, which is reminiscent of how the Streamlight Wedge works. Many competing flat lights place the controls on the main broad face instead, so this is a design choice worth noticing if you have handled those styles before.
The Dedicated Red Light Button
Here is where the Slayer Max Red sets itself apart. Instead of the programmable memory function found on some other Slayer models in this form factor, Coast has fitted a dedicated red light button. The lower button cycles through bright and brighter red settings, and the red output is genuinely bright for a color mode. Even when you are in white light, a single click takes you directly to red, which is a small but satisfying convenience.

The front button toggles through the three main white settings on its own, and holding it while the light is on accesses turbo.
Output Levels and Turbo
Coast claims four output settings in total. Turbo is claimed at 1,000 lumens, though it does not last very long and the light gets pretty hot during use. High sits at 530 lumens, but it does not hold for a terrible length of time either and throttles down fairly quickly. Low is rated at 110 lumens, and the moon glow setting comes in at 10 lumens.
That moon glow mode is the weakest link among the levels. On many other flashlights, 10 lumens would count as a mid setting, with true moonlight modes often dropping to five lumens, one lumen, or even a fraction of a lumen. So while the lowest setting on the Slayer Max Red is still usable, it is comparatively bright for a “lowest” mode.
Dual Magnetic Base and Pocket Clip
The base carries two neodymium magnets, and both are needed to feel comfortable with the attachment. If only one magnet can make contact, the hold is less convincing, and you also need a mounting position that puts the beam where you want it. Compared with lights that offer a single tail magnet or none at all, having the choice is a genuine bonus.

The near-deep-carry pocket clip on the back rounds out the carry and mounting story, letting the light ride low in a pocket or clip onto gear when the magnets are not an option.
Charging and Everyday Practicality
Charging is handled over USB-C on the rear of the light, protected by a rubber cover. The cover does not prevent tail standing, but getting the light perfectly flat on its tail takes some care, so it is not the most elegant solution. A magnet arrangement at the rear might have been a cleverer alternative.

Coast remains very active in producing different types of lighting, and its catalog covers everything from a bar-shaped light with a side light at around $30 to larger premium models. Home Depot carries a full line of Coast lights, especially online, where the selection is wide.
Who This Flashlight Is For
The Slayer Max Red makes the most sense for people who specifically value the dedicated red light mode, whether for working around night vision, preserving dark adaptation, or signaling. It also suits anyone drawn to the slim, flat carry format who wants magnets on board. If you want long-lasting maximum output, the short turbo run time and quick throttling at high are the trade-offs to weigh.
Buying Advice
At around $60, this is one of Coast’s pricier small lights, so it is worth comparing against the company’s cheaper flat lights and the roughly $30 bar-shaped model with a side light. Buy the Slayer Max Red if the red light button and dual magnets address a real need in your kit; otherwise, a less expensive Coast flat light may cover the basics just as well.
Conclusion
The Coast Slayer Max Red is a well-finished, thoughtfully shaped EDC flashlight whose defining feature is the one-press jump to a bright red mode. Add the dual-magnet base, USB-C charging, and a near-deep-carry clip, and you get a distinctive package. The short turbo duration, heat under maximum output, and comparatively bright moon glow setting are the compromises you accept in exchange.
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