RovyVon E3 size & dimensions
RovyVon E3 shown at true scale next to a credit card. Add another light to compare.
Specs
| RovyVon E3 Check price ↗ | |
| Length | 66 mm (2.60 in) |
| Head / width | 27 mm (1.06 in) |
| Thickness | 13 mm (0.51 in) |
| Weight | 32 g listed |
| Battery | Built-in |
| Max output | 700 lm |
| Throw | 70 m |
| Type | Keychain |
| Price | $39.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced |
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Size in everyday terms
The RovyVon E3 is 66 mm (2.60 in) long and 27 mm (1.06 in) wide, 13 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.3 AA batteries end to end (50.5 mm each). Its widest point is 2.7 mm wider than a US quarter (24.26 mm).
How it ranks
Among the 14 keychain lights in our catalog, the RovyVon E3 is the 13th shortest, 2nd brightest of 14 with a published output and 8th for throw of 12 with a published beam distance.
Battery, output and weight
The RovyVon E3 runs on a built-in rechargeable battery. The manufacturer rates its maximum output at 700 lm and its throw at 70 m. Listed weight is 32 g. When we checked on Nov 4, 2026, it was $39.95 at batteryjunction.com.
Featured in: Best keychain flashlights (#2), Best flashlights under $50 (#16).
RovyVon E3 vs…
E3 FAQ
How big is the RovyVon E3?
The RovyVon E3 is 66 mm (2.60 in) long and 27 mm (1.06 in) wide, 13 mm thick. That is shorter than the long side of a credit card (85.6 mm), or about 1.3 AA batteries end to end (50.5 mm each). Its widest point is 2.7 mm wider than a US quarter (24.26 mm).
What battery does the RovyVon E3 use?
The RovyVon E3 runs on a built-in rechargeable battery.
How bright is the RovyVon E3?
The manufacturer rates the RovyVon E3 at 700 lm maximum output, with 70 m of throw.
More RovyVon lights
See also: Best keychain flashlights
Sources
- 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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