Fenix E03R V2.0 vs RovyVon E3 size comparison
The RovyVon E3 is 13.5 mm (0.53 in) longer than the Fenix E03R V2.0, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The RovyVon E3 is 13.5 mm (0.53 in) longer than the Fenix E03R V2.0, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix E03R V2.0 Check price ↗ | RovyVon E3 Check price ↗ | |
| Length | 52.5 mm (2.07 in) | 66 mm (2.60 in)+13.5 mm |
| Head / width | 26 mm (1.02 in) | 27 mm (1.06 in)+1 mm |
| Thickness | 13 mm (0.51 in) | 13 mm (0.51 in)same |
| Weight | 30 g with battery | 32 g listed |
| Battery | Built-in | Built-in |
| Max output | 500 lm | 700 lm |
| Throw | 90 m | 70 m |
| Type | Keychain | Keychain |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 | $39.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 26.0 mm wide x 13.0 mm thick | batteryjunction.com sourced |
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E03R V2.0 vs E3: how they differ
Size and weight
The Fenix E03R V2.0 is the shorter light: 52.5 mm (2.07 in) against 66 mm (2.60 in), a difference of 13.5 mm (20%). At its widest point the Fenix E03R V2.0 is 1 mm slimmer (26 vs 27 mm). Weights are published on different bases (Fenix E03R V2.0: 30 g with battery; RovyVon E3: 32 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon E3 is rated brighter: 700 lm maximum vs 500 lm for the Fenix E03R V2.0, 40% more. For beam distance the Fenix E03R V2.0 reaches further: 90 m vs 70 m rated throw (29% more).
Battery
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Price
When we checked on Nov 4, 2026, the Fenix E03R V2.0 was $29.95 at fenixlighting.com and the RovyVon E3 $39.95 at batteryjunction.com, so the Fenix E03R V2.0 cost $10.00 less. Prices change often, so check the current price before you buy.
Type
Both are keychain lights in our catalog with a flat body.
Which should you buy?
Choose the Fenix E03R V2.0 if you want a shorter light (13.5 mm shorter) and longer throw (90 m vs 70 m). Choose the RovyVon E3 if you want more output (700 lm vs 500 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E03R V2.0 Check price ↗ RovyVon E3
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E03R V2.0 vs E3 FAQ
Which is smaller, the Fenix E03R V2.0 or the RovyVon E3?
The Fenix E03R V2.0 is the shorter light: 52.5 mm (2.07 in) against 66 mm (2.60 in), a difference of 13.5 mm (20%). At its widest point the Fenix E03R V2.0 is 1 mm slimmer (26 vs 27 mm). Weights are published on different bases (Fenix E03R V2.0: 30 g with battery; RovyVon E3: 32 g listed), so they are not directly comparable.
Which is brighter, the Fenix E03R V2.0 or the RovyVon E3?
The RovyVon E3 is rated brighter: 700 lm maximum vs 500 lm for the Fenix E03R V2.0, 40% more. For beam distance the Fenix E03R V2.0 reaches further: 90 m vs 70 m rated throw (29% more).
Which is cheaper, the Fenix E03R V2.0 or the RovyVon E3?
When we checked on Nov 4, 2026, the Fenix E03R V2.0 was $29.95 at fenixlighting.com and the RovyVon E3 $39.95 at batteryjunction.com, so the Fenix E03R V2.0 cost $10.00 less. Prices change often, so check the current price before you buy.
Do the Fenix E03R V2.0 and RovyVon E3 use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Fenix E03R V2.0 with similar lights
Compare RovyVon E3 with similar lights
More
Sources
- Fenix E03R V2.0: specs from Fenix product page (manufacturer). Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- RovyVon E3: specs from manufacturer published specs as listed by batteryjunction.com. Price $39.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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