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Outdoors · Fenix

Fenix HM65R-T

Magnesium body, removable 18650, and enough throw to run singletrack at night.

A headlamp's battery format constrains everything else#2

Overall

8.3

out of 10

Axis scores

Outdoors is scored on these 4 axes. The total is their plain average — nothing is weighted.

Fenix HM65R-T — axis scores out of 10Horizontal bar chart of editorial scores out of 10 across 4 axes. Bars run from a shared zero baseline; longer is better. Fenix HM65R-T: Performance 9.4, Value 6.8, Durability 9.2, Design 7.8.PerformanceFenix HM65R-T — Performance 9.4 out of 109.4ValueFenix HM65R-T — Value 6.8 out of 106.8DurabilityFenix HM65R-T — Durability 9.2 out of 109.2DesignFenix HM65R-T — Design 7.8 out of 107.8Editorial score out of 10 — higher is better
  • Performance — How well it does the core job
  • Value — What the same money buys elsewhere
  • Durability — Failure and fade reports past the one-year mark
  • Design — Build quality and how it sits in a room

Specs

Max output
1,500 lumens combined — 1,300 spot, 400 flood
Power
One 18650 cell included, or two CR123A
Body
Magnesium alloy
Water resistance
IP68
Charging
USB-C, about three hours

As published by the manufacturer. We didn't measure these ourselves.

Is it for you

Buy it if

  • Night trail running, where seeing thirty meters ahead decides your pace
  • Search, night work, and anything that has to keep going past midnight
  • You already own 18650 cells and a charger, so spares cost nothing new

Skip it if

  • Weight on the forehead matters; this is the heavy end of the category
  • You want it to run at 1,500 lumens rather than step down to hold temperature
  • Simple is the goal — two buttons and separate emitters take learning

Two emitters on independent buttons is the design decision that matters here. The spot and the flood run separately or together, so you set a wide pool for your feet and then add throw only when the trail opens up, instead of choosing one compromise beam and living with it. Nothing in the AAA class does this.

The cell is a standard 18650 and it comes out. That single fact separates this from every sealed lamp: a spare in a pocket turns a four-hour lamp into a twelve-hour lamp, a worn cell costs less than a takeaway to replace, and the lamp itself is not on a clock. Two CR123A cells work as a backup, which is the option that matters somewhere cold and remote.

Output steps down, and Fenix does not hide it. The top setting holds for a few minutes before thermal regulation pulls it back — magnesium moves heat out of the emitter well, and there is still only so much surface area on something you wear. Reviewer runtime charts all show the same shape. Buy this for the sustained middle settings, which are brighter than most lamps’ maximum.

Weight is the real cost. The battery sits in the front housing rather than in a rear pack, so the mass is all on your forehead and it bounces on downhill strides. A tightened top strap fixes most of it. Some owners never stop noticing it.

The magnesium shell earns its place slowly. It shrugs off knocks that crack polycarbonate, it does not soften near the emitter after long runs on high, and it is cold enough in winter that you feel it through a thin hat.

IP68 with a rubber-plugged USB-C port is the usual arrangement, and the usual caveat applies: the seal depends on the plug being seated. Check it before rain. Owners who report water inside almost always report a port cover left open.

The interface has depth you did not ask for. Two buttons, hold-and-tap combinations, a lockout, a memory that sometimes returns you to the wrong emitter. It is learnable in an evening and it is not obvious in the dark on night one.

Battery contact rattle turns up in owner reports — a light click in the housing when you nod hard, from the cell moving in its tube. It is cosmetic and it is irritating, and wrapping the cell fixes it.

Last updated . The scoring method is on how we rank.