Fenix PD26R ACE vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 13 mm (0.51 in) longer than the Fenix PD26R ACE, and 2.4 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The RovyVon S3 Pro is 13 mm (0.51 in) longer than the Fenix PD26R ACE, and 2.4 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix PD26R ACE Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 106 mm (4.17 in) | 119 mm (4.69 in)+13 mm |
| Head / width | 26.6 mm (1.05 in) | 29 mm (1.14 in)+2.4 mm |
| Body | 24.6 mm (0.97 in) | 29 mm (1.14 in)+4.4 mm |
| Weight | 102.3 g with battery | 150 g listed |
| Battery | 18350 | 18650 |
| Max output | 1,300 lm | 2,800 lm |
| Throw | 354 m | 130 m |
| Type | EDC | EDC |
| Price | from $62.96 at fenixlighting.com, as of Nov 4, 2026 | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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PD26R ACE vs S3 Pro: how they differ
Size and weight
The Fenix PD26R ACE is the shorter light: 106 mm (4.17 in) against 119 mm (4.69 in), a difference of 13 mm (11%). At its widest point the Fenix PD26R ACE is 2.4 mm slimmer (26.6 vs 29 mm). Weights are published on different bases (Fenix PD26R ACE: 102.3 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 1,300 lm for the Fenix PD26R ACE, 115% more. For beam distance the Fenix PD26R ACE reaches further: 354 m vs 130 m rated throw (172% more).
Battery
The Fenix PD26R ACE runs on a removable 18350 battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a 18350 cell is about 18 × 35 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix PD26R ACE was from $62.96 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the Fenix PD26R ACE cost $16.99 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix PD26R ACE if you want a shorter light (13 mm shorter), a slimmer profile (2.4 mm narrower) and longer throw (354 m vs 130 m). Choose the RovyVon S3 Pro if you want more output (2,800 lm vs 1,300 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD26R ACE Check price ↗ RovyVon S3 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PD26R ACE vs S3 Pro FAQ
Which is smaller, the Fenix PD26R ACE or the RovyVon S3 Pro?
The Fenix PD26R ACE is the shorter light: 106 mm (4.17 in) against 119 mm (4.69 in), a difference of 13 mm (11%). At its widest point the Fenix PD26R ACE is 2.4 mm slimmer (26.6 vs 29 mm). Weights are published on different bases (Fenix PD26R ACE: 102.3 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Fenix PD26R ACE or the RovyVon S3 Pro?
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 1,300 lm for the Fenix PD26R ACE, 115% more. For beam distance the Fenix PD26R ACE reaches further: 354 m vs 130 m rated throw (172% more).
Which is cheaper, the Fenix PD26R ACE or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the Fenix PD26R ACE was from $62.96 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the Fenix PD26R ACE cost $16.99 less. Prices change often, so check the current price before you buy.
Do the Fenix PD26R ACE and RovyVon S3 Pro use the same battery?
The Fenix PD26R ACE runs on a removable 18350 battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a 18350 cell is about 18 × 35 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix PD26R ACE with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- Fenix PD26R ACE: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price from $62.96 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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