Wurkkos FC11C vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 2.8 mm (0.11 in) shorter than the Wurkkos FC11C, and 1 mm wider at its widest point. It is 13 g heavier (without battery).
The Wurkkos TS21 is 2.8 mm (0.11 in) shorter than the Wurkkos FC11C, and 1 mm wider at its widest point. It is 13 g heavier (without battery).
Dimensions
| Wurkkos FC11C Check price ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 116.2 mm (4.58 in) | 113.4 mm (4.46 in)−2.8 mm |
| Head / width | 27 mm (1.06 in) | 28 mm (1.10 in)+1 mm |
| Weight | 65 g without battery | 78 g without battery+13 g |
| Battery | 18650 | 21700 |
| Max output | 1,200 lm | 3,500 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $23.99 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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FC11C vs TS21: how they differ
Size and weight
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 116.2 mm (4.58 in), a difference of 2.8 mm (2%). At its widest point the Wurkkos FC11C is 1 mm slimmer (27 vs 28 mm). The Wurkkos FC11C is 13 g lighter (65 g vs 78 g, without battery).
Brightness and throw
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 1,200 lm for the Wurkkos FC11C, 192% more.
Battery
The Wurkkos FC11C 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 FC11C if you want less weight (13 g lighter). Choose the Wurkkos TS21 if you want more output (3,500 lm vs 1,200 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Wurkkos FC11C Check price ↗ Wurkkos TS21
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FC11C vs TS21 FAQ
Which is smaller, the Wurkkos FC11C or the Wurkkos TS21?
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 116.2 mm (4.58 in), a difference of 2.8 mm (2%). At its widest point the Wurkkos FC11C is 1 mm slimmer (27 vs 28 mm). The Wurkkos FC11C is 13 g lighter (65 g vs 78 g, without battery).
Which is brighter, the Wurkkos FC11C or the Wurkkos TS21?
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 1,200 lm for the Wurkkos FC11C, 192% more.
Do the Wurkkos FC11C and Wurkkos TS21 use the same battery?
The Wurkkos FC11C 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 Wurkkos FC11C with similar lights
Compare Wurkkos TS21 with similar lights
More
Sources
- Wurkkos FC11C: specs from manufacturer published specs as listed by flashlightgo.com. Price $23.99 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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