Fenix E04R size & dimensions
Fenix E04R shown at true scale next to a credit card. Add another light to compare.
Specs
| Fenix E04R Check price ↗ | |
| Length | 58.5 mm (2.30 in) |
| Head / width | 30 mm (1.18 in) |
| Thickness | 29.8 mm (1.17 in) |
| Weight | 41 g with battery |
| Battery | Built-in |
| Max output | 300 lm |
| Throw | 46 m |
| Type | Keychain |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 30.0 mm wide x 29.8 mm thick |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
Size in everyday terms
The Fenix E04R is 58.5 mm (2.30 in) long and 30 mm (1.18 in) wide, 29.8 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.2 AA batteries end to end (50.5 mm each). Its widest point is 5.7 mm wider than a US quarter (24.26 mm).
How it ranks
Among the 14 keychain lights in our catalog, the Fenix E04R is the 8th shortest, 10th brightest of 14 with a published output and 10th for throw of 12 with a published beam distance.
Battery, output and weight
The Fenix E04R runs on a built-in rechargeable battery. The manufacturer rates its maximum output at 300 lm and its throw at 46 m. Listed weight is 41 g (with battery). When we checked on Nov 4, 2026, it was $29.95 at fenixlighting.com.
Featured in: Best keychain flashlights (#11).
Fenix E04R vs…
E04R FAQ
How big is the Fenix E04R?
The Fenix E04R is 58.5 mm (2.30 in) long and 30 mm (1.18 in) wide, 29.8 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.2 AA batteries end to end (50.5 mm each). Its widest point is 5.7 mm wider than a US quarter (24.26 mm).
What battery does the Fenix E04R use?
The Fenix E04R runs on a built-in rechargeable battery.
How bright is the Fenix E04R?
The manufacturer rates the Fenix E04R at 300 lm maximum output, with 46 m of throw.
More Fenix lights
See also: Best keychain flashlights
Sources
- Fenix E04R: specs from Fenix product page (manufacturer). Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
Found an error? Email [email protected] and we will fix it.