Fenix E03R V2.0 size & dimensions
Fenix E03R V2.0 shown at true scale next to a credit card. Add another light to compare.
Specs
| Fenix E03R V2.0 Check price ↗ | |
| Length | 52.5 mm (2.07 in) |
| Head / width | 26 mm (1.02 in) |
| Thickness | 13 mm (0.51 in) |
| Weight | 30 g with battery |
| Battery | Built-in |
| Max output | 500 lm |
| Throw | 90 m |
| Type | Keychain |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 26.0 mm wide x 13.0 mm thick |
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Size in everyday terms
The Fenix E03R V2.0 is 52.5 mm (2.07 in) long and 26 mm (1.02 in) wide, 13 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.0 AA batteries end to end (50.5 mm each). Its widest point is 1.7 mm wider than a US quarter (24.26 mm).
How it ranks
Among the 14 keychain lights in our catalog, the Fenix E03R V2.0 is the 4th shortest, 7th brightest of 14 with a published output and 4th for throw of 12 with a published beam distance.
Battery, output and weight
The Fenix E03R V2.0 runs on a built-in rechargeable battery. The manufacturer rates its maximum output at 500 lm and its throw at 90 m. Listed weight is 30 g (with battery). When we checked on Nov 4, 2026, it was $29.95 at fenixlighting.com.
Featured in: Best keychain flashlights (#8), Best flashlights under $50 (#25).
Fenix E03R V2.0 vs…
E03R V2.0 FAQ
How big is the Fenix E03R V2.0?
The Fenix E03R V2.0 is 52.5 mm (2.07 in) long and 26 mm (1.02 in) wide, 13 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.0 AA batteries end to end (50.5 mm each). Its widest point is 1.7 mm wider than a US quarter (24.26 mm).
What battery does the Fenix E03R V2.0 use?
The Fenix E03R V2.0 runs on a built-in rechargeable battery.
How bright is the Fenix E03R V2.0?
The manufacturer rates the Fenix E03R V2.0 at 500 lm maximum output, with 90 m of throw.
More Fenix lights
See also: Best keychain flashlights
Sources
- Fenix E03R V2.0: specs from Fenix product page (manufacturer). Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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