SKYFIRE SF-546-S Rechargeable Headlamp, 3500 Lumens

Lumens: The SKYFIRE SF-546-S is a rechargeable headlamp listed with white and yellow main-light options, color side lighting, zoomable focus and motion-sensor activation. Its USB-C charging and head-mounted design suit hands-free tasks, while the listing does not establish how long it runs at each brightness or mode.

At a glance

The listing describes white and yellow main-light modes plus a COB side light with white, red and red-blue flash modes.
Zoomable focus is listed for adjusting the beam, and the head is described as adjustable by 90°.
Motion-sensor activation is offered for hands-free switching.
USB-C is the stated charging connection. The listing also claims a 12-hour runtime without specifying the mode.

Price

$36.90Save 26%

Reference price: ~~$49.99~~

Price checked: Nov 14, 2026

View offer

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Pros and cons

Pros

Multiple listed light colors and side-light modes provide choices for general illumination and signaling.
Motion activation can be useful when hands are occupied during repair or outdoor tasks.
USB-C charging avoids a proprietary charging-port specification in the listing.

Cons

The stated 12-hour runtime is not tied to a brightness or light mode, making it hard to judge endurance for a particular task.

Technical specifications

12 specifications

Identity
Brand	SKYFIRE
Model	SF-546-S

Light and operation
Listed white brightness	3500 lumens
Light source	LED
Light sources listed	3
Beam angle	90 degrees
Runtime	12 hours

Power and battery
Power configuration	USB-C

Dimensions and installation
Mounting type	Head Mount
Item dimensions	3"D x 2"W x 3"H

Materials and protection
Material	Aluminum
Water resistance listed	Waterproof

What to know before buying

Listing details to confirm

Listing details are inconsistent about color and mode count: one highlight claims five colors and ten modes, while the detailed mode description names white, yellow, their combination, and COB white, red, and red-blue flash. The beam-angle field says 90 degrees while the feature copy describes a 90° adjustable head, and the stated 3500 lumens and 12-hour runtime are not tied to specified test conditions or modes. Waterproofing is stated without an IP rating in the technical details, although feature copy claims IPX6. Confirm the selected listing's exact variant and performance claims if these determine your choice.

What’s in the box

Included

Charging cable
LED headlamp
Product box

Who is it for?

A good fit for

Campers, hikers and night walkers who want hands-free lighting and multiple listed color modes.
Repair and maintenance users who may find motion-triggered switching helpful.
Buyers seeking a USB-C rechargeable headlamp with adjustable beam focus.

Less suited to

Buyers who need a clearly documented runtime at a particular brightness or lighting mode.
Users who require a verified waterproof rating or independently established brightness.

SKYFIRE SF-546-S Rechargeable Headlamp, 3500 Lumens · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 46 ratings

5 stars59%59%
4 stars23%23%
3 stars13%13%
2 stars0%0%
1 star5%5%

Aggregate ratings lean positive overall, though the distribution also includes some low ratings. With no written customer-feedback detail supplied, the ratings do not explain what buyers liked or disliked. Treat them as a limited general signal rather than evidence about the claimed brightness, runtime, motion sensing or waterproofing.

Frequently asked questions

How does the headlamp charge?

The listing identifies USB-C as its power configuration and names a charging cable in the package contents.

What light colors and modes does it offer?

The listing describes white and yellow main light, a combined white-and-yellow mode, and a COB side light with white, red, and red-blue flash. Its stated totals of five colors and ten modes do not align clearly with that detail, so confirm the selected listing.

Is it waterproof?

The technical details say “Waterproof,” and feature copy claims IPX6. The rating is not repeated in the technical details, so verify the precise variant if water protection is important.

How long does the battery last?

The listing states 12 hours but does not identify the brightness or mode for that runtime. Treat it as an unqualified listing claim rather than a guaranteed duration for every setting.