Fenix HM75R size & dimensions
Fenix HM75R shown at true scale next to a 21700 cell. Add another light to compare.
Specs
| Fenix HM75R Check price ↗ | |
| Length | 91.1 mm (3.59 in) |
| Height | 53.5 mm (2.11 in) |
| Thickness | 41 mm (1.61 in) |
| Weight | 321 g with battery and headband |
| Battery | 21700 |
| Max output | 1,600 lm |
| Throw | 223 m |
| Type | Headlamp / right-angle |
| Price | from $114.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Lamp unit only; separate battery case 107.7 x 28 x 28 mm |
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Size in everyday terms
The Fenix HM75R is 91.1 mm (3.59 in) long and 53.5 mm (2.11 in) tall, 41 mm thick. That is about 1.1 times the length of a credit card (85.6 mm), or about 1.8 AA batteries end to end (50.5 mm each). Its widest point is 29.2 mm wider than a US quarter (24.26 mm).
How it ranks
Among the 44 headlamps / right-angle lights in our catalog, the Fenix HM75R is the 31st shortest, 12th brightest of 42 with a published output and 8th for throw of 39 with a published beam distance.
Battery, output and weight
The Fenix HM75R runs on a removable 21700 battery. The manufacturer rates its maximum output at 1,600 lm and its throw at 223 m. Listed weight is 321 g (with battery and headband). When we checked on Nov 4, 2026, it was from $114.95 at fenixlighting.com.
Featured in: Best headlamps (#15).
Fenix HM75R vs…
HM75R FAQ
How big is the Fenix HM75R?
The Fenix HM75R is 91.1 mm (3.59 in) long and 53.5 mm (2.11 in) tall, 41 mm thick. That is about 1.1 times the length of a credit card (85.6 mm), or about 1.8 AA batteries end to end (50.5 mm each). Its widest point is 29.2 mm wider than a US quarter (24.26 mm).
What battery does the Fenix HM75R use?
The Fenix HM75R runs on a removable 21700 battery.
How bright is the Fenix HM75R?
The manufacturer rates the Fenix HM75R at 1,600 lm maximum output, with 223 m of throw.
More Fenix lights
See also: Best headlamps
Sources
- Fenix HM75R: specs from Fenix product page (manufacturer). Price from $114.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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