Streamlight ProTac 1L-1AA vs Wurkkos TS21 size comparison
The Wurkkos TS21 is 5.4 mm (0.21 in) longer than the Streamlight ProTac 1L-1AA, and 4 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 5.4 mm (0.21 in) longer than the Streamlight ProTac 1L-1AA, and 4 mm wider at its widest point. Weights are published on different bases (without battery vs listed), so compare them with care.
Dimensions
| Streamlight ProTac 1L-1AA Check price ↗ | Wurkkos TS21 Check price ↗ | |
| Length | 108 mm (4.25 in) | 113.4 mm (4.46 in)+5.4 mm |
| Head / width | 24 mm (0.94 in) | 28 mm (1.10 in)+4 mm |
| Body | 22 mm (0.87 in) | — |
| Weight | 71 g listed | 78 g without battery |
| Battery | CR123A / AA | 21700 |
| Max output | 350 lm | 3,500 lm |
| Throw | 105 m | — |
| Type | EDC | EDC |
| Price | $56.45 at batteryjunction.com, as of Nov 4, 2026 | not verified yet |
| Source | batteryjunction.com sourced | wurkkos.com sourced Only head diameter listed |
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ProTac 1L-1AA vs TS21: how they differ
Size and weight
The Streamlight ProTac 1L-1AA is the shorter light: 108 mm (4.25 in) against 113.4 mm (4.46 in), a difference of 5.4 mm (5%). At its widest point the Streamlight ProTac 1L-1AA is 4 mm slimmer (24 vs 28 mm). Weights are published on different bases (Streamlight ProTac 1L-1AA: 71 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 350 lm for the Streamlight ProTac 1L-1AA, 900% more.
Battery
The Streamlight ProTac 1L-1AA runs on removable CR123A / AA batteries; the Wurkkos TS21 runs on a removable 21700 battery. For scale, a CR123A cell is about 17 × 34.5 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 Streamlight ProTac 1L-1AA if you want a shorter light (5.4 mm shorter) and a slimmer profile (4 mm narrower). Choose the Wurkkos TS21 if you want more output (3,500 lm vs 350 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Streamlight ProTac 1L-1AA Check price ↗ Wurkkos TS21
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
ProTac 1L-1AA vs TS21 FAQ
Which is smaller, the Streamlight ProTac 1L-1AA or the Wurkkos TS21?
The Streamlight ProTac 1L-1AA is the shorter light: 108 mm (4.25 in) against 113.4 mm (4.46 in), a difference of 5.4 mm (5%). At its widest point the Streamlight ProTac 1L-1AA is 4 mm slimmer (24 vs 28 mm). Weights are published on different bases (Streamlight ProTac 1L-1AA: 71 g listed; Wurkkos TS21: 78 g without battery), so they are not directly comparable.
Which is brighter, the Streamlight ProTac 1L-1AA or the Wurkkos TS21?
The Wurkkos TS21 is rated brighter: 3,500 lm maximum vs 350 lm for the Streamlight ProTac 1L-1AA, 900% more.
Do the Streamlight ProTac 1L-1AA and Wurkkos TS21 use the same battery?
The Streamlight ProTac 1L-1AA runs on removable CR123A / AA batteries; the Wurkkos TS21 runs on a removable 21700 battery. For scale, a CR123A cell is about 17 × 34.5 mm and a 21700 about 21 × 70 mm (nominal).
Compare Streamlight ProTac 1L-1AA with similar lights
Compare Wurkkos TS21 with similar lights
More
Sources
- Streamlight ProTac 1L-1AA: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $56.45 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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