Fenix E08R UE vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 10 mm (0.39 in) shorter than the Fenix E08R UE, and 2 mm narrower at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The RovyVon S3 Pro is 10 mm (0.39 in) shorter than the Fenix E08R UE, and 2 mm narrower at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix E08R UE Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 129 mm (5.08 in) | 119 mm (4.69 in)−10 mm |
| Head / width | 31 mm (1.22 in) | 29 mm (1.14 in)−2 mm |
| Body | — | 29 mm (1.14 in) |
| Thickness | 18 mm (0.71 in) | — |
| Weight | 125 g with battery | 150 g listed |
| Battery | Built-in | 18650 |
| Max output | 1,600 lm | 2,800 lm |
| Throw | 160 m | 130 m |
| Type | EDC | EDC |
| Price | $84.95 at fenixlighting.com, as of Nov 4, 2026 | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 31.0 mm wide x 18.0 mm thick | batteryjunction.com sourced |
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E08R UE vs S3 Pro: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 129 mm (5.08 in), a difference of 10 mm (8%). At its widest point the RovyVon S3 Pro is 2 mm slimmer (29 vs 31 mm). Weights are published on different bases (Fenix E08R UE: 125 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 1,600 lm for the Fenix E08R UE, 75% more. For beam distance the Fenix E08R UE reaches further: 160 m vs 130 m rated throw (23% more).
Battery
The Fenix E08R UE runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix E08R UE was $84.95 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $5.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Fenix E08R UE if you want longer throw (160 m vs 130 m) and a built-in battery with no separate cell to buy. Choose the RovyVon S3 Pro if you want a shorter light (10 mm shorter), a slimmer profile (2 mm narrower), more output (2,800 lm vs 1,600 lm) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E08R UE Check price ↗ RovyVon S3 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E08R UE vs S3 Pro FAQ
Which is smaller, the Fenix E08R UE or the RovyVon S3 Pro?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 129 mm (5.08 in), a difference of 10 mm (8%). At its widest point the RovyVon S3 Pro is 2 mm slimmer (29 vs 31 mm). Weights are published on different bases (Fenix E08R UE: 125 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Fenix E08R UE or the RovyVon S3 Pro?
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 1,600 lm for the Fenix E08R UE, 75% more. For beam distance the Fenix E08R UE reaches further: 160 m vs 130 m rated throw (23% more).
Which is cheaper, the Fenix E08R UE or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the Fenix E08R UE was $84.95 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $5.00 less. Prices change often, so check the current price before you buy.
Do the Fenix E08R UE and RovyVon S3 Pro use the same battery?
The Fenix E08R UE runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro lets you swap in a charged spare.
Compare Fenix E08R UE with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- Fenix E08R UE: specs from Fenix product page (manufacturer). Price $84.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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