Fenix E40R size & dimensions
Fenix E40R shown at true scale next to a 21700 cell. Add another light to compare.
Specs
| Fenix E40R Check price ↗ | |
| Length | 138 mm (5.43 in) |
| Head / width | 35 mm (1.38 in) |
| Body | 26.4 mm (1.04 in) |
| Weight | 220 g with battery |
| Battery | 21700 |
| Max output | 5,000 lm |
| Throw | 242 m |
| Type | EDC |
| Price | $109.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 35 mm wide x 26.4 mm high |
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Size in everyday terms
The Fenix E40R is 138 mm (5.43 in) long and 35 mm (1.38 in) across at its widest point. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 10.7 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 93% as long.
How it ranks
Among the 136 EDC lights in our catalog, the Fenix E40R is the 114th shortest, 3rd brightest of 118 with a published output and 33rd for throw of 81 with a published beam distance.
Battery, output and weight
The Fenix E40R runs on a removable 21700 battery. The manufacturer rates its maximum output at 5,000 lm and its throw at 242 m. Listed weight is 220 g (with battery). When we checked on Nov 4, 2026, it was $109.95 at fenixlighting.com.
Featured in: Best 21700 flashlights (#7), Brightest flashlights (#20).
Fenix E40R vs…
E40R FAQ
How big is the Fenix E40R?
The Fenix E40R is 138 mm (5.43 in) long and 35 mm (1.38 in) across at its widest point. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 10.7 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 93% as long.
What battery does the Fenix E40R use?
The Fenix E40R runs on a removable 21700 battery.
How bright is the Fenix E40R?
The manufacturer rates the Fenix E40R at 5,000 lm maximum output, with 242 m of throw.
More Fenix lights
See also: Best EDC flashlights
Sources
- Fenix E40R: specs from Fenix product page (manufacturer). Price $109.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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