Wurkkos FC12C vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 23.1 mm (0.91 in) shorter than the Wurkkos FC12C, and 4 mm wider at its widest point. Weights are published on different bases (without battery vs listed (battery unspecified)), so compare them with care.
The Wurkkos TS21 is 23.1 mm (0.91 in) shorter than the Wurkkos FC12C, and 4 mm wider at its widest point. Weights are published on different bases (without battery vs listed (battery unspecified)), so compare them with care.
Dimensions
| Wurkkos FC12C Check price ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 136.5 mm (5.37 in) | 113.4 mm (4.46 in)−23.1 mm |
| Head / width | 24 mm (0.94 in) | 28 mm (1.10 in)+4 mm |
| Weight | 85 g listed (battery unspecified) | 78 g without battery |
| Battery | 21700 | 21700 |
| Max output | — | 3,500 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $35.99 at flashlightgo.com, as of Nov 4, 2026 | not verified yet |
| Source | flashlightgo.com sourced Only head diameter listed | wurkkos.com sourced Only head diameter listed |
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FC12C vs TS21: how they differ
Size and weight
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 136.5 mm (5.37 in), a difference of 23.1 mm (17%). At its widest point the Wurkkos FC12C is 4 mm slimmer (24 vs 28 mm). Weights are published on different bases (Wurkkos FC12C: 85 g listed (battery unspecified); Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Brightness and throw
The Wurkkos TS21 is rated at 3,500 lm; we have no published maximum for the Wurkkos FC12C.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Wurkkos FC12C if you want a slimmer profile (4 mm narrower). Choose the Wurkkos TS21 if you want a shorter light (23.1 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Wurkkos FC12C Check price ↗ Wurkkos TS21
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
FC12C vs TS21 FAQ
Which is smaller, the Wurkkos FC12C or the Wurkkos TS21?
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 136.5 mm (5.37 in), a difference of 23.1 mm (17%). At its widest point the Wurkkos FC12C is 4 mm slimmer (24 vs 28 mm). Weights are published on different bases (Wurkkos FC12C: 85 g listed (battery unspecified); Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Do the Wurkkos FC12C and Wurkkos TS21 use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Wurkkos FC12C with similar lights
Compare Wurkkos TS21 with similar lights
More
Sources
- 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.
- Wurkkos TS21: specs from Wurkkos product page (manufacturer). No verified price yet.
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