ThruNite TC15 V3 vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 8.6 mm (0.34 in) shorter than the ThruNite TC15 V3, and 1 mm wider at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
The Wurkkos TS21 is 8.6 mm (0.34 in) shorter than the ThruNite TC15 V3, and 1 mm wider at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
Dimensions
| ThruNite TC15 V3 Check price ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 122 mm (4.80 in) | 113.4 mm (4.46 in)−8.6 mm |
| Head / width | 27 mm (1.06 in) | 28 mm (1.10 in)+1 mm |
| Body | 23 mm (0.91 in) | — |
| Weight | 74 g listed | 78 g without battery |
| Battery | 18650 | 21700 |
| Max output | 2,403 lm | 3,500 lm |
| Throw | 223 m | — |
| Type | EDC | EDC |
| Price | $59.99 at batteryjunction.com, as of Nov 4, 2026 | not verified yet |
| Source | batteryjunction.com sourced Retailer lists W 27 x H 23 mm | wurkkos.com sourced Only head diameter listed |
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TC15 V3 vs TS21: how they differ
Size and weight
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 122 mm (4.80 in), a difference of 8.6 mm (7%). At its widest point the ThruNite TC15 V3 is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (ThruNite TC15 V3: 74 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 2,403 lm for the ThruNite TC15 V3, 46% more.
Battery
The ThruNite TC15 V3 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 (8.6 mm shorter) and more output (3,500 lm vs 2,403 lm). On the specs we track, the Wurkkos TS21 is ahead or level everywhere; the ThruNite TC15 V3 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 ↗ ThruNite TC15 V3 Check price ↗ Wurkkos TS21
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TC15 V3 vs TS21 FAQ
Which is smaller, the ThruNite TC15 V3 or the Wurkkos TS21?
The Wurkkos TS21 is the shorter light: 113.4 mm (4.46 in) against 122 mm (4.80 in), a difference of 8.6 mm (7%). At its widest point the ThruNite TC15 V3 is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (ThruNite TC15 V3: 74 g listed; Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Which is brighter, the ThruNite TC15 V3 or the Wurkkos TS21?
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 2,403 lm for the ThruNite TC15 V3, 46% more.
Do the ThruNite TC15 V3 and Wurkkos TS21 use the same battery?
The ThruNite TC15 V3 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 ThruNite TC15 V3 with similar lights
Compare Wurkkos TS21 with similar lights
More
Sources
- ThruNite TC15 V3: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $59.99 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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