Nitecore EDC17 vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 7.6 mm (0.30 in) longer than the Nitecore EDC17, 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 7.6 mm (0.30 in) longer than the Nitecore EDC17, 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 EDC17 Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 123 mm (4.84 in) | 130.6 mm (5.14 in)+7.6 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 | 16 mm (0.63 in) | — |
| Weight | 106 g listed | 125 g with battery |
| Battery | Built-in | 18650 / 2x CR123A |
| Max output | 1,500 lm | 500 lm |
| Throw | 230 m | — |
| Type | EDC | EDC |
| Price | $94.95 at batteryjunction.com, as of Nov 4, 2026 | $83.05 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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EDC17 vs ProTac 2L-X USB: how they differ
Size and weight
The Nitecore EDC17 is the shorter light: 123 mm (4.84 in) against 130.6 mm (5.14 in), a difference of 7.6 mm (6%). 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 EDC17: 106 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Brightness and throw
The Nitecore EDC17 is rated brighter: 1,500 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 200% more.
Battery
The Nitecore EDC17 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.
Price
When we checked on Nov 4, 2026, the Nitecore EDC17 was $94.95 at batteryjunction.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $11.90 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Nitecore EDC17 if you want a shorter light (7.6 mm shorter), more output (1,500 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 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 EDC17 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
EDC17 vs ProTac 2L-X USB FAQ
Which is smaller, the Nitecore EDC17 or the Streamlight ProTac 2L-X USB?
The Nitecore EDC17 is the shorter light: 123 mm (4.84 in) against 130.6 mm (5.14 in), a difference of 7.6 mm (6%). 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 EDC17: 106 g listed; Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Which is brighter, the Nitecore EDC17 or the Streamlight ProTac 2L-X USB?
The Nitecore EDC17 is rated brighter: 1,500 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 200% more.
Which is cheaper, the Nitecore EDC17 or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Nitecore EDC17 was $94.95 at batteryjunction.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $11.90 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC17 and Streamlight ProTac 2L-X USB use the same battery?
The Nitecore EDC17 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 EDC17 with similar lights
Compare Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Nitecore EDC17: specs from manufacturer published specs as listed by batteryjunction.com. Price $94.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- 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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