Nitecore EDC27 vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 5.4 mm (0.21 in) shorter than the Nitecore EDC27, and 5.1 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
The Streamlight ProTac 2L-X USB is 5.4 mm (0.21 in) shorter than the Nitecore EDC27, and 5.1 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| Nitecore EDC27 Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 136 mm (5.35 in) | 130.6 mm (5.14 in)−5.4 mm |
| Head / width | 32 mm (1.26 in) | 26.9 mm (1.06 in)−5.1 mm |
| Body | — | 23.9 mm (0.94 in) |
| Thickness | 21 mm (0.83 in) | — |
| Weight | 124 g listed | 125 g with battery |
| Battery | Built-in | 18650 / 2x CR123A |
| Max output | 3,000 lm | 500 lm |
| Throw | 220 m | — |
| Type | EDC | EDC |
| Price | not verified yet | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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EDC27 vs ProTac 2L-X USB: how they differ
Size and weight
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136 mm (5.35 in), a difference of 5.4 mm (4%). At its widest point the Streamlight ProTac 2L-X USB is 5.1 mm slimmer (26.9 vs 32 mm). Weights are published on different bases (Nitecore EDC27: 124 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Brightness and throw
The Nitecore EDC27 is rated brighter: 3,000 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 500% more.
Battery
The Nitecore EDC27 runs on a built-in rechargeable battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. Only the Streamlight ProTac 2L-X USB lets you swap in a charged spare.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Nitecore EDC27 if you want more output (3,000 lm vs 500 lm) and a built-in battery with no separate cell to buy. Choose the Streamlight ProTac 2L-X USB if you want a shorter light (5.4 mm shorter), a slimmer profile (5.1 mm narrower) 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 ↗ Nitecore EDC27 Check price ↗ Streamlight ProTac 2L-X USB
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
EDC27 vs ProTac 2L-X USB FAQ
Which is smaller, the Nitecore EDC27 or the Streamlight ProTac 2L-X USB?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136 mm (5.35 in), a difference of 5.4 mm (4%). At its widest point the Streamlight ProTac 2L-X USB is 5.1 mm slimmer (26.9 vs 32 mm). Weights are published on different bases (Nitecore EDC27: 124 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Which is brighter, the Nitecore EDC27 or the Streamlight ProTac 2L-X USB?
The Nitecore EDC27 is rated brighter: 3,000 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 500% more.
Do the Nitecore EDC27 and Streamlight ProTac 2L-X USB use the same battery?
The Nitecore EDC27 runs on a built-in rechargeable battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. Only the Streamlight ProTac 2L-X USB lets you swap in a charged spare.
Compare Nitecore EDC27 with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Nitecore EDC27: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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