Fenix LD45R size & dimensions
Fenix LD45R shown at true scale next to a 21700 cell. Add another light to compare.
Specs
| Fenix LD45R Check price ↗ | |
| Length | 155.3 mm (6.11 in) |
| Head / width | 44.5 mm (1.75 in) |
| Body | 32 mm (1.26 in) |
| Weight | 302 g with battery |
| Battery | 21700 |
| Max output | 2,800 lm |
| Throw | 480 m |
| Type | Tactical |
| Price | $159.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced |
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Size in everyday terms
The Fenix LD45R is 155.3 mm (6.11 in) long and 44.5 mm (1.75 in) across at its widest point. That is about 1.8 times the length of a credit card (85.6 mm), or about 3.1 AA batteries end to end (50.5 mm each). Its widest point is 20.2 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 105% as long.
How it ranks
Among the 26 tactical lights in our catalog, the Fenix LD45R is the 22nd shortest, 16th brightest of 26 with a published output and 4th for throw of 26 with a published beam distance.
Battery, output and weight
The Fenix LD45R runs on a removable 21700 battery. The manufacturer rates its maximum output at 2,800 lm and its throw at 480 m. Listed weight is 302 g (with battery). When we checked on Nov 4, 2026, it was $159.95 at fenixlighting.com.
Featured in: Best tactical flashlights (#6).
Fenix LD45R vs…
LD45R FAQ
How big is the Fenix LD45R?
The Fenix LD45R is 155.3 mm (6.11 in) long and 44.5 mm (1.75 in) across at its widest point. That is about 1.8 times the length of a credit card (85.6 mm), or about 3.1 AA batteries end to end (50.5 mm each). Its widest point is 20.2 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 105% as long.
What battery does the Fenix LD45R use?
The Fenix LD45R runs on a removable 21700 battery.
How bright is the Fenix LD45R?
The manufacturer rates the Fenix LD45R at 2,800 lm maximum output, with 480 m of throw.
More Fenix lights
See also: Best tactical flashlights
Sources
- Fenix LD45R: specs from Fenix product page (manufacturer). Price $159.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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