Olight Arkfeld vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 3.4 mm (0.13 in) longer than the Olight Arkfeld, and 3 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Wurkkos TS21 is 3.4 mm (0.13 in) longer than the Olight Arkfeld, and 3 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Olight Arkfeld Check price ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 110 mm (4.33 in) | 113.4 mm (4.46 in)+3.4 mm |
| Head / width | 25 mm (0.98 in) | 28 mm (1.10 in)+3 mm |
| Thickness | 15 mm (0.59 in) | — |
| Weight | 87 g with battery | 78 g without battery |
| Battery | Built-in | 21700 |
| Max output | 1,000 lm | 3,500 lm |
| Throw | 101 m | — |
| Type | EDC | EDC |
| Price | $89.99 at olight.com, as of Nov 4, 2026 | not verified yet |
| Source | olight.com sourced | wurkkos.com sourced Only head diameter listed |
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Arkfeld vs TS21: how they differ
Size and weight
The Olight Arkfeld is the shorter light: 110 mm (4.33 in) against 113.4 mm (4.46 in), a difference of 3.4 mm (3%). At its widest point the Olight Arkfeld is 3 mm slimmer (25 vs 28 mm). Weights are published on different bases (Olight Arkfeld: 87 g with battery; 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 1,000 lm for the Olight Arkfeld, 250% more.
Battery
The Olight Arkfeld runs on a built-in rechargeable battery; the Wurkkos TS21 runs on a removable 21700 battery. Only the Wurkkos TS21 lets you swap in a charged spare.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Olight Arkfeld if you want a shorter light (3.4 mm shorter), a slimmer profile (3 mm narrower) and a built-in battery with no separate cell to buy. Choose the Wurkkos TS21 if you want more output (3,500 lm vs 1,000 lm) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight Arkfeld Check price ↗ Wurkkos TS21
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
Arkfeld vs TS21 FAQ
Which is smaller, the Olight Arkfeld or the Wurkkos TS21?
The Olight Arkfeld is the shorter light: 110 mm (4.33 in) against 113.4 mm (4.46 in), a difference of 3.4 mm (3%). At its widest point the Olight Arkfeld is 3 mm slimmer (25 vs 28 mm). Weights are published on different bases (Olight Arkfeld: 87 g with battery; Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Which is brighter, the Olight Arkfeld or the Wurkkos TS21?
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 1,000 lm for the Olight Arkfeld, 250% more.
Do the Olight Arkfeld and Wurkkos TS21 use the same battery?
The Olight Arkfeld runs on a built-in rechargeable battery; the Wurkkos TS21 runs on a removable 21700 battery. Only the Wurkkos TS21 lets you swap in a charged spare.
Compare Olight Arkfeld with similar lights
Compare Wurkkos TS21 with similar lights
More
Sources
- Olight Arkfeld: specs from Olight product page (manufacturer). Price $89.99 from olight.com, checked Nov 4, 2026; prices change often.
- Wurkkos TS21: specs from Wurkkos product page (manufacturer). No verified price yet.
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