Fenix HM55R Headlamp in three colors on a white background
A woman wearing the Fenix HM55R Headlamp with graphics explaining its operation
Fenix HM55R Headlamp in three colors in the woods
Fenix HM55R Headlamp held in hand with graphics showing its compact size
Fenix HM55R Headlamp used to light up a trail while walking at night
Fenix HM55R Headlamp used to light up a trail while backpacking at night
A series of photos showing various use cases for the Fenix HM55R Headlamp
Two photos showing the spotlight and floodlight modes of the Fenix HM55R Headlamp
A GIF showing the red outputs of the Fenix HM55R Headlamp
Fenix HM55R Headlamp in three colors on matching pedestals
A series of photos showing close-up images of the workmanship of the Fenix HM55R Headlamp
Fenix HM55R Headlamp plugged in to charge via USB-C
A GIF showing the intelligent downshift function of the Fenix HM55R Headlamp
Fenix HM55R Headlamp on a forest background with text about extended runtime.
Fenix HM55R Headlamp dropped on stone
Fenix HM55R Headlamp underwater
Fenix HM55R Headlamp viewed from the left
Technical parameters table for a Fenix HM55R Headlamp on a dark background
Fenix HM55R Headlamp packaging with included items displayed on a rock.
Fenix HM55R Headlamp with battery being removed
The tilt mechanism of the Fenix HM55R Headlamp
Fenix HM55R Headlamp in purple
Fenix HM55R Headlamp in nebula color
Fenix HM55R Headlamp in black
Fenix HM55R Headlamp in three colors on a white background
A woman wearing the Fenix HM55R Headlamp with graphics explaining its operation
Fenix HM55R Headlamp in three colors in the woods
Fenix HM55R Headlamp held in hand with graphics showing its compact size
Fenix HM55R Headlamp used to light up a trail while walking at night
Fenix HM55R Headlamp used to light up a trail while backpacking at night
A series of photos showing various use cases for the Fenix HM55R Headlamp
Two photos showing the spotlight and floodlight modes of the Fenix HM55R Headlamp
A GIF showing the red outputs of the Fenix HM55R Headlamp
Fenix HM55R Headlamp in three colors on matching pedestals
A series of photos showing close-up images of the workmanship of the Fenix HM55R Headlamp
Fenix HM55R Headlamp plugged in to charge via USB-C
A GIF showing the intelligent downshift function of the Fenix HM55R Headlamp
Fenix HM55R Headlamp on a forest background with text about extended runtime.
Fenix HM55R Headlamp dropped on stone
Fenix HM55R Headlamp underwater
Fenix HM55R Headlamp viewed from the left
Technical parameters table for a Fenix HM55R Headlamp on a dark background
Fenix HM55R Headlamp packaging with included items displayed on a rock.
Fenix HM55R Headlamp with battery being removed
The tilt mechanism of the Fenix HM55R Headlamp
Fenix HM55R Headlamp in purple
Fenix HM55R Headlamp in nebula color
Fenix HM55R Headlamp in black

Fenix HM55R Lightweight Multi-LED Headlamp -- OPEN BOX

$74.95 $63.97 Save 15%
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  • Backed by the Fenix Limited Lifetime Warranty

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The Fenix HM55R is a versatile headlamp engineered for serious outdoor enthusiasts. This featherweight performer tips the scales at just 3.7 ounces while delivering an impressive 1,200 lumens across multiple lighting modes: spotlight for distance, floodlight for area coverage, and red light options for night vision preservation. The intelligent brightness downshift technology automatically reduces output during close-work tasks, minimizing heat generation and maximizing your battery's potential. With a 574-foot beam distance and up to 141 hours of runtime per charge, this headlamp excels on demanding expeditions, technical climbs, and trail pursuits. The large side switch provides intuitive operation, while the adjustable head angle ensures precise beam positioning. Rapid USB-C charging restores full capacity in 2.5 hours, and the IP68 waterproof rating plus 2-meter drop resistance guarantee durability in harsh environments. Compact and rugged, the HM55R is built for adventurers who demand reliability without compromise.

OPEN BOX: This item's packaging has been opened and there may be minor cosmetic wear but the product works like new and it is still covered by the Fenix Limited Lifetime Warranty.

Outputs

  • White Spotlight
  • Turbo: 1200 Lumens, 2.17 hours, 574 feet
  • High: 350 Lumens, 6.5 hours, 289 feet
  • Med: 130 Lumens, 12.67 hours, 177 feet
  • Low: 30 Lumens, 47.3 hours, 89 feet
  • White Floodlight
  • High: 350 Lumens, 3.67 hours, 203 feet
  • Med: 70 Lumens, 17.67 hours, 79 feet
  • Low: 5 Lumens, 141.17 hours, 20 feet
  • Red Outputs
  • Constant-On: 5 Lumens, 43 hours, 13 feet
  • Flashing: 5 Lumens, 86 hours, 13 feet

Details

  • 1200 lumen maximum output
  • Spotlight, Floodlight, and Red light outputs including red flashing mode
  • Large side switch for easy control
  • Intelligent brightness downshift
  • 175-meter beam distance
  • Ultra lightweight at only 3.7 ounces
  • Compact for easy carry and storage
  • Fast and simple single-switch operation
  • Great for Trekking, mountaineering, trail running, camping, or any outdoor needs
  • Adjustable head angle
  • 2.5 hour fast charging via a USB-C port
  • Up to 141 hours runtime with the included battery
  • 2-meter impact resistance
  • IP68 rated waterproofing

Batteries

  • Included: Fenix ARB-L18-1600 rechargeable 1600mAh 18350 Battery
  • Compatible: Fenix 18350 batteries.

Size

  • Length: 2.52 inches
  • Width: 1.73 inches
  • Height: 1.34 inches
  • Weight: 3.7 ounces (including battery and headband)
  • Fenix HM55R Headlamp
  • Fenix ARB-L18-1600 Rechargeable Battery
  • USB Type-C Charging Cable
  • Spare O-Ring
  • Fenix HM55R User Manual

Q: What is the color temperature of HM55R?
A: Spotlight: 6500K. Floodlight: 5000K.

Q: What is the working voltage of HM55R?
A: The working voltage range is 3.0 - 4.2 V. The limiting working voltage range is 2.75 - 4.2 V.

Q: Is HM55R rechargeable? How long is the charging time?
A: Yes. The HM55R is rechargeable via its USB Type-C port. The normal charging time is approximately 2.5 hours from depleted to fully charged.

Q: How to prevent accidentally activating the HM55R?
A: Remove the battery to prevent accidental activation.

Q: Why does the HM55R downshift to a lower mode after being used for a while and the higher mode cannot be selected?
A: There are two reasons:
1. Intelligent Overheat Protection
The headlamp will accumulate a lot of heat when used at high output levels for extended periods. When the headlamp reaches a temperature of 60°C or above, the headlamp will automatically step down a few lumens to reduce the temperature.
2. Low-voltage Warning
When the voltage level drops below the preset level, the headlamp is programmed to downshift to a lower brightness level until the lowest output level is reached.

Q: Why does the HM55R sometimes flicker?
A: The reasons that may cause the lamp to flicker, shine intermittently or even fail to illuminate:
B: Poor battery level.
Solution: Recharge or replace the battery.
C: The contact point or contact of the battery or headlamp is dirty.
Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.
If the above methods don't work, please contact Fenix-Store.

Q: What kind of battery can be used in HM55R?
A: It is recommended to use a Fenix ARB-L18-1600 battery. Other batteries(e.g., CR123A) are not recommended, as an unmatched battery may cause the headlamp to fail to work normally.

Q: What is the IP rating of the HM55R? Does its USB Type-C port feature inner waterproof treatment?
A: IP68. Yes, its USB Type-C port features inner waterproof treatment.