RovyVon Aurora A4 Pro Ti vs RovyVon E3 size comparison
The RovyVon E3 is 8.7 mm (0.34 in) longer than the RovyVon Aurora A4 Pro Ti, and 11.4 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The RovyVon E3 is 8.7 mm (0.34 in) longer than the RovyVon Aurora A4 Pro Ti, and 11.4 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| RovyVon Aurora A4 Pro Ti Check price ↗ | RovyVon E3 Check price ↗ | |
| Length | 57.3 mm (2.26 in) | 66 mm (2.60 in)+8.7 mm |
| Head / width | 15.6 mm (0.61 in) | 27 mm (1.06 in)+11.4 mm |
| Body | 15.6 mm (0.61 in) | — |
| Thickness | — | 13 mm (0.51 in) |
| Weight | 24 g listed | 32 g listed |
| Battery | Built-in | Built-in |
| Max output | 650 lm | 700 lm |
| Throw | — | 70 m |
| Type | Keychain | Keychain |
| Price | not verified yet | $39.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | adventurecarry.com unverified Retailer lists 57.3 mm; another source says 60.5 mm for G4; re-check | batteryjunction.com sourced |
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Aurora A4 Pro Ti vs E3: how they differ
Size and weight
The RovyVon Aurora A4 Pro Ti is the shorter light: 57.3 mm (2.26 in) against 66 mm (2.60 in), a difference of 8.7 mm (13%). At its widest point the RovyVon Aurora A4 Pro Ti is 11.4 mm slimmer (15.6 vs 27 mm). Weights are published on different bases (RovyVon Aurora A4 Pro Ti: 24 g listed; RovyVon E3: 32 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon E3 is rated brighter: 700 lm maximum vs 650 lm for the RovyVon Aurora A4 Pro Ti, 8% more.
Battery
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Type
Both are keychain lights in our catalog.
Which should you buy?
Choose the RovyVon Aurora A4 Pro Ti if you want a shorter light (8.7 mm shorter) and a slimmer profile (11.4 mm narrower). On the specs we track, the RovyVon Aurora A4 Pro Ti is ahead or level everywhere; the RovyVon E3 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 ↗ RovyVon Aurora A4 Pro Ti Check price ↗ RovyVon E3
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Aurora A4 Pro Ti vs E3 FAQ
Which is smaller, the RovyVon Aurora A4 Pro Ti or the RovyVon E3?
The RovyVon Aurora A4 Pro Ti is the shorter light: 57.3 mm (2.26 in) against 66 mm (2.60 in), a difference of 8.7 mm (13%). At its widest point the RovyVon Aurora A4 Pro Ti is 11.4 mm slimmer (15.6 vs 27 mm). Weights are published on different bases (RovyVon Aurora A4 Pro Ti: 24 g listed; RovyVon E3: 32 g listed), so they are not directly comparable.
Which is brighter, the RovyVon Aurora A4 Pro Ti or the RovyVon E3?
The RovyVon E3 is rated brighter: 700 lm maximum vs 650 lm for the RovyVon Aurora A4 Pro Ti, 8% more.
Do the RovyVon Aurora A4 Pro Ti and RovyVon E3 use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare RovyVon Aurora A4 Pro Ti with similar lights
Compare RovyVon E3 with similar lights
More
Sources
- RovyVon Aurora A4 Pro Ti: specs from manufacturer published specs as listed by adventurecarry.com. Drawing: shape measured from manufacturer photo (adventurecarry.com), scaled to the published length and diameter. Some values could not be confirmed on a second source and are marked unverified. No verified price yet.
- RovyVon E3: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $39.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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