RovyVon S3 Pro vs Wurkkos FC12C size comparison

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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.

RovyVon S3 Pro · 119 mmWurkkos FC12C · 136.5 mm

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
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Length119 mm (4.69 in)136.5 mm (5.37 in)+17.5 mm
Head / width29 mm (1.14 in)24 mm (0.94 in)−5 mm
Body29 mm (1.14 in)—
Weight150 g listed85 g listed (battery unspecified)
Battery1865021700
Max output2,800 lm—
Throw130 m—
TypeEDCEDC
Pricefrom $79.95 at batteryjunction.com, as of Nov 4, 2026$35.99 at flashlightgo.com, as of Nov 4, 2026
Sourcebatteryjunction.com sourcedflashlightgo.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

S3 Pro vs E4KS3 Pro vs MH15S3 Pro vs EDC07S3 Pro vs MT2C ProS3 Pro vs Arkfeld ProS3 Pro vs Arkfeld Ultra

Compare Wurkkos FC12C with similar lights

FC12C vs PD35RFC12C vs PD35 V3.0FC12C vs UC35 V2.0 USBFC12C vs T35FC12C vs PD32RFC12C vs MH12 Pro

More

RovyVon S3 Pro size & specsWurkkos FC12C size & specsBest 18650 flashlightsBest flashlights under $100All RovyVon lightsAll Wurkkos lightsBest EDC flashlights

Sources

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