Fenix E05R vs RovyVon Aurora A5 G4 size comparison
The RovyVon Aurora A5 G4 is 8 mm (0.31 in) shorter than the Fenix E05R, with about the same max diameter/width. Weights are published on different bases (listed vs with battery), so compare them with care.
The RovyVon Aurora A5 G4 is 8 mm (0.31 in) shorter than the Fenix E05R, with about the same max diameter/width. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix E05R Check price ↗ | RovyVon Aurora A5 G4 Check price ↗ | |
| Length | 68 mm (2.68 in) | 60 mm (2.36 in)−8 mm |
| Head / width | 15.3 mm (0.60 in) | 15 mm (0.59 in)−0.3 mm |
| Body | 15 mm (0.59 in) | 15 mm (0.59 in)same |
| Weight | 24 g with battery | 17 g listed |
| Battery | Built-in | Built-in |
| Max output | 400 lm | 650 lm |
| Throw | 64 m | 110 m |
| Type | Keychain | Keychain |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 | $36.95 at rovyvon.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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E05R vs Aurora A5 G4: how they differ
Size and weight
The RovyVon Aurora A5 G4 is the shorter light: 60 mm (2.36 in) against 68 mm (2.68 in), a difference of 8 mm (12%). At their widest points they are about the same (15.3 vs 15 mm). Weights are published on different bases (Fenix E05R: 24 g with battery; RovyVon Aurora A5 G4: 17 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon Aurora A5 G4 is rated brighter: 650 lm maximum vs 400 lm for the Fenix E05R, 63% more. For beam distance the RovyVon Aurora A5 G4 reaches further: 110 m vs 64 m rated throw (72% 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 E05R was $29.95 at fenixlighting.com and the RovyVon Aurora A5 G4 $36.95 at rovyvon.com, so the Fenix E05R cost $7.00 less. Prices change often, so check the current price before you buy.
Type
Both are keychain lights in our catalog with a tube body.
Which should you buy?
Choose the RovyVon Aurora A5 G4 if you want a shorter light (8 mm shorter), more output (650 lm vs 400 lm) and longer throw (110 m vs 64 m). On the specs we track, the RovyVon Aurora A5 G4 is ahead or level everywhere; the Fenix E05R makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E05R Check price ↗ RovyVon Aurora A5 G4
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E05R vs Aurora A5 G4 FAQ
Which is smaller, the Fenix E05R or the RovyVon Aurora A5 G4?
The RovyVon Aurora A5 G4 is the shorter light: 60 mm (2.36 in) against 68 mm (2.68 in), a difference of 8 mm (12%). At their widest points they are about the same (15.3 vs 15 mm). Weights are published on different bases (Fenix E05R: 24 g with battery; RovyVon Aurora A5 G4: 17 g listed), so they are not directly comparable.
Which is brighter, the Fenix E05R or the RovyVon Aurora A5 G4?
The RovyVon Aurora A5 G4 is rated brighter: 650 lm maximum vs 400 lm for the Fenix E05R, 63% more. For beam distance the RovyVon Aurora A5 G4 reaches further: 110 m vs 64 m rated throw (72% more).
Which is cheaper, the Fenix E05R or the RovyVon Aurora A5 G4?
When we checked on Nov 4, 2026, the Fenix E05R was $29.95 at fenixlighting.com and the RovyVon Aurora A5 G4 $36.95 at rovyvon.com, so the Fenix E05R cost $7.00 less. Prices change often, so check the current price before you buy.
Do the Fenix E05R and RovyVon Aurora A5 G4 use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Fenix E05R with similar lights
Compare RovyVon Aurora A5 G4 with similar lights
More
Sources
- Fenix E05R: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- RovyVon Aurora A5 G4: specs from RovyVon product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $36.95 from rovyvon.com, checked Nov 4, 2026; prices change often.
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