RovyVon S3 Pro vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 5.6 mm (0.22 in) shorter than the RovyVon S3 Pro, and 1 mm narrower at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
The Wurkkos TS21 is 5.6 mm (0.22 in) shorter than the RovyVon S3 Pro, and 1 mm narrower 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 ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 119 mm (4.69 in) | 113.4 mm (4.46 in)−5.6 mm |
| Head / width | 29 mm (1.14 in) | 28 mm (1.10 in)−1 mm |
| Body | 29 mm (1.14 in) | — |
| Weight | 150 g listed | 78 g without battery |
| Battery | 18650 | 21700 |
| Max output | 2,800 lm | 3,500 lm |
| Throw | 130 m | — |
| Type | EDC | EDC |
| Price | from $79.95 at batteryjunction.com, as of Nov 4, 2026 | not verified yet |
| Source | batteryjunction.com sourced | wurkkos.com sourced Only head diameter listed |
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S3 Pro vs TS21: how they differ
Size and weight
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 119 mm (4.69 in), a difference of 5.6 mm (5%). At its widest point the Wurkkos TS21 is 1 mm slimmer (28 vs 29 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Brightness and throw
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 25% more.
Battery
The RovyVon S3 Pro runs on a removable 18650 battery; the Wurkkos TS21 runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Wurkkos TS21 if you want a shorter light (5.6 mm shorter) and more output (3,500 lm vs 2,800 lm). On the specs we track, the Wurkkos TS21 is ahead or level everywhere; the RovyVon S3 Pro makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ RovyVon S3 Pro Check price ↗ Wurkkos TS21
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
S3 Pro vs TS21 FAQ
Which is smaller, the RovyVon S3 Pro or the Wurkkos TS21?
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 119 mm (4.69 in), a difference of 5.6 mm (5%). At its widest point the Wurkkos TS21 is 1 mm slimmer (28 vs 29 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Which is brighter, the RovyVon S3 Pro or the Wurkkos TS21?
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 25% more.
Do the RovyVon S3 Pro and Wurkkos TS21 use the same battery?
The RovyVon S3 Pro runs on a removable 18650 battery; the Wurkkos TS21 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 Wurkkos TS21 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.
- Wurkkos TS21: specs from Wurkkos product page (manufacturer). Drawing: outline from published specs. No verified price yet.
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