Fenix PD35R ACE vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 21.5 mm (0.85 in) shorter than the Fenix PD35R ACE, and 2.5 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 21.5 mm (0.85 in) shorter than the Fenix PD35R ACE, and 2.5 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix PD35R ACE Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 140.5 mm (5.53 in) | 119 mm (4.69 in)−21.5 mm |
| Head / width | 26.5 mm (1.04 in) | 29 mm (1.14 in)+2.5 mm |
| Body | 23.6 mm (0.93 in) | 29 mm (1.14 in)+5.4 mm |
| Weight | 145 g with battery | 150 g listed |
| Battery | CR123A | 18650 |
| Max output | 2,000 lm | 2,800 lm |
| Throw | 380 m | 130 m |
| Type | EDC | EDC |
| Price | $85.95 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 |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PD35R ACE vs S3 Pro: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 140.5 mm (5.53 in), a difference of 21.5 mm (15%). At its widest point the Fenix PD35R ACE is 2.5 mm slimmer (26.5 vs 29 mm). Weights are published on different bases (Fenix PD35R ACE: 145 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 2,000 lm for the Fenix PD35R ACE, 40% more. For beam distance the Fenix PD35R ACE reaches further: 380 m vs 130 m rated throw (192% more).
Battery
The Fenix PD35R ACE runs on a removable CR123A battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a CR123A cell is about 17 × 34.5 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix PD35R ACE was $85.95 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $6.00 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 PD35R ACE if you want a slimmer profile (2.5 mm narrower) and longer throw (380 m vs 130 m). Choose the RovyVon S3 Pro if you want a shorter light (21.5 mm shorter) and more output (2,800 lm vs 2,000 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD35R 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
PD35R ACE vs S3 Pro FAQ
Which is smaller, the Fenix PD35R ACE or the RovyVon S3 Pro?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 140.5 mm (5.53 in), a difference of 21.5 mm (15%). At its widest point the Fenix PD35R ACE is 2.5 mm slimmer (26.5 vs 29 mm). Weights are published on different bases (Fenix PD35R ACE: 145 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Fenix PD35R ACE or the RovyVon S3 Pro?
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 2,000 lm for the Fenix PD35R ACE, 40% more. For beam distance the Fenix PD35R ACE reaches further: 380 m vs 130 m rated throw (192% more).
Which is cheaper, the Fenix PD35R ACE or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the Fenix PD35R ACE was $85.95 at fenixlighting.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $6.00 less. Prices change often, so check the current price before you buy.
Do the Fenix PD35R ACE and RovyVon S3 Pro use the same battery?
The Fenix PD35R ACE runs on a removable CR123A battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a CR123A cell is about 17 × 34.5 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix PD35R ACE with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- Fenix PD35R ACE: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $85.95 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.
Found an error? Email [email protected] and we will fix it.