RovyVon S3 Pro vs Sofirn SC33 size comparison
The Sofirn SC33 is 12 mm (0.47 in) longer than the RovyVon S3 Pro, and 3 mm wider at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
The Sofirn SC33 is 12 mm (0.47 in) longer than the RovyVon S3 Pro, and 3 mm wider at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
Dimensions
| RovyVon S3 Pro Check price ↗ | Sofirn SC33 Check price ↗ | |
| Length | 119 mm (4.69 in) | 131 mm (5.16 in)+12 mm |
| Head / width | 29 mm (1.14 in) | 32 mm (1.26 in)+3 mm |
| Body | 29 mm (1.14 in) | — |
| Weight | 150 g listed | 110 g without battery |
| Battery | 18650 | 21700 |
| Max output | 2,800 lm | 5,200 lm |
| Throw | 130 m | — |
| Type | EDC | EDC |
| Price | from $79.95 at batteryjunction.com, as of Nov 4, 2026 | from $41.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | flashlightgo.com sourced Only head diameter listed |
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S3 Pro vs SC33: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 131 mm (5.16 in), a difference of 12 mm (9%). At its widest point the RovyVon S3 Pro is 3 mm slimmer (29 vs 32 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Sofirn SC33: 110 g without battery), so they are not directly comparable.
Brightness and throw
The Sofirn SC33 is rated brighter: 5,200 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 86% more.
Battery
The RovyVon S3 Pro runs on a removable 18650 battery; the Sofirn SC33 runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Price
When we checked on Nov 4, 2026, the RovyVon S3 Pro was from $79.95 at batteryjunction.com and the Sofirn SC33 from $41.99 at flashlightgo.com, so the Sofirn SC33 cost $37.96 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 RovyVon S3 Pro if you want a shorter light (12 mm shorter) and a slimmer profile (3 mm narrower). Choose the Sofirn SC33 if you want more output (5,200 lm vs 2,800 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ RovyVon S3 Pro Check price ↗ Sofirn SC33
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
S3 Pro vs SC33 FAQ
Which is smaller, the RovyVon S3 Pro or the Sofirn SC33?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 131 mm (5.16 in), a difference of 12 mm (9%). At its widest point the RovyVon S3 Pro is 3 mm slimmer (29 vs 32 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Sofirn SC33: 110 g without battery), so they are not directly comparable.
Which is brighter, the RovyVon S3 Pro or the Sofirn SC33?
The Sofirn SC33 is rated brighter: 5,200 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 86% more.
Which is cheaper, the RovyVon S3 Pro or the Sofirn SC33?
When we checked on Nov 4, 2026, the RovyVon S3 Pro was from $79.95 at batteryjunction.com and the Sofirn SC33 from $41.99 at flashlightgo.com, so the Sofirn SC33 cost $37.96 less. Prices change often, so check the current price before you buy.
Do the RovyVon S3 Pro and Sofirn SC33 use the same battery?
The RovyVon S3 Pro runs on a removable 18650 battery; the Sofirn SC33 runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Compare RovyVon S3 Pro with similar lights
Compare Sofirn SC33 with similar lights
More
Sources
- 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.
- Sofirn SC33: specs from manufacturer published specs as listed by flashlightgo.com. Drawing: outline from published specs. Price from $41.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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