RovyVon S3 Pro vs Wurkkos FC12C size comparison
The Wurkkos FC12C is 17.5 mm (0.69 in) longer than the RovyVon S3 Pro, and 5 mm narrower at its widest point. Weights are published on different bases (listed (battery unspecified) vs listed), so compare them with care.
The Wurkkos FC12C is 17.5 mm (0.69 in) longer than the RovyVon S3 Pro, and 5 mm narrower at its widest point. Weights are published on different bases (listed (battery unspecified) vs listed), so compare them with care.
Dimensions
| RovyVon S3 Pro Check price ↗ | Wurkkos FC12C Check price ↗ | |
| Length | 119 mm (4.69 in) | 136.5 mm (5.37 in)+17.5 mm |
| Head / width | 29 mm (1.14 in) | 24 mm (0.94 in)−5 mm |
| Body | 29 mm (1.14 in) | — |
| Weight | 150 g listed | 85 g listed (battery unspecified) |
| Battery | 18650 | 21700 |
| Max output | 2,800 lm | — |
| Throw | 130 m | — |
| Type | EDC | EDC |
| Price | from $79.95 at batteryjunction.com, as of Nov 4, 2026 | $35.99 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 FC12C: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 136.5 mm (5.37 in), a difference of 17.5 mm (13%). At its widest point the Wurkkos FC12C is 5 mm slimmer (24 vs 29 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The RovyVon S3 Pro is rated at 2,800 lm; we have no published maximum for the Wurkkos FC12C.
Battery
The RovyVon S3 Pro runs on a removable 18650 battery; the Wurkkos FC12C 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 Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $43.96 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 (17.5 mm shorter). Choose the Wurkkos FC12C if you want a slimmer profile (5 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ RovyVon S3 Pro Check price ↗ Wurkkos FC12C
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S3 Pro vs FC12C FAQ
Which is smaller, the RovyVon S3 Pro or the Wurkkos FC12C?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 136.5 mm (5.37 in), a difference of 17.5 mm (13%). At its widest point the Wurkkos FC12C is 5 mm slimmer (24 vs 29 mm). Weights are published on different bases (RovyVon S3 Pro: 150 g listed; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Which is cheaper, the RovyVon S3 Pro or the Wurkkos FC12C?
When we checked on Nov 4, 2026, the RovyVon S3 Pro was from $79.95 at batteryjunction.com and the Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $43.96 less. Prices change often, so check the current price before you buy.
Do the RovyVon S3 Pro and Wurkkos FC12C use the same battery?
The RovyVon S3 Pro runs on a removable 18650 battery; the Wurkkos FC12C 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 FC12C with similar lights
More
Sources
- 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.
- Wurkkos FC12C: specs from manufacturer published specs as listed by flashlightgo.com. Price $35.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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