Nitecore EDC31 vs Streamlight ProTac 1L-1AA size comparison
The Streamlight ProTac 1L-1AA is 5 mm (0.20 in) shorter than the Nitecore EDC31, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with clip), so compare them with care.
The Streamlight ProTac 1L-1AA is 5 mm (0.20 in) shorter than the Nitecore EDC31, and 1 mm wider at its widest point. Weights are published on different bases (listed vs with clip), so compare them with care.
Dimensions
| Nitecore EDC31 Check price ↗ | Streamlight ProTac 1L-1AA Check price ↗ | |
| Length | 113 mm (4.45 in) | 108 mm (4.25 in)−5 mm |
| Head / width | 23 mm (0.91 in) | 24 mm (0.94 in)+1 mm |
| Body | 23 mm (0.91 in) | 22 mm (0.87 in)−1 mm |
| Weight | 100 g with clip | 71 g listed |
| Battery | Built-in | CR123A / AA |
| Max output | 3,500 lm | 350 lm |
| Throw | 380 m | 105 m |
| Type | EDC | EDC |
| Price | $54.95 at batteryjunction.com, as of Nov 4, 2026 | $56.45 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Maker page: 4.46 in, head 0.91 in, tube 0.89 in, 3.53 oz with clip | batteryjunction.com sourced |
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EDC31 vs ProTac 1L-1AA: how they differ
Size and weight
The Streamlight ProTac 1L-1AA is the shorter light: 108 mm (4.25 in) against 113 mm (4.45 in), a difference of 5 mm (4%). At its widest point the Nitecore EDC31 is 1 mm slimmer (23 vs 24 mm). Weights are published on different bases (Nitecore EDC31: 100 g with clip; Streamlight ProTac 1L-1AA: 71 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 350 lm for the Streamlight ProTac 1L-1AA, 900% more. For beam distance the Nitecore EDC31 reaches further: 380 m vs 105 m rated throw (262% more).
Battery
The Nitecore EDC31 runs on a built-in rechargeable battery; the Streamlight ProTac 1L-1AA runs on removable CR123A / AA batteries. Only the Streamlight ProTac 1L-1AA lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Nitecore EDC31 was $54.95 at batteryjunction.com and the Streamlight ProTac 1L-1AA $56.45 at batteryjunction.com, so the Nitecore EDC31 cost $1.50 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Nitecore EDC31 if you want more output (3,500 lm vs 350 lm), longer throw (380 m vs 105 m) and a built-in battery with no separate cell to buy. Choose the Streamlight ProTac 1L-1AA if you want a shorter light (5 mm shorter) 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 EDC31 Check price ↗ Streamlight ProTac 1L-1AA
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
EDC31 vs ProTac 1L-1AA FAQ
Which is smaller, the Nitecore EDC31 or the Streamlight ProTac 1L-1AA?
The Streamlight ProTac 1L-1AA is the shorter light: 108 mm (4.25 in) against 113 mm (4.45 in), a difference of 5 mm (4%). At its widest point the Nitecore EDC31 is 1 mm slimmer (23 vs 24 mm). Weights are published on different bases (Nitecore EDC31: 100 g with clip; Streamlight ProTac 1L-1AA: 71 g listed), so they are not directly comparable.
Which is brighter, the Nitecore EDC31 or the Streamlight ProTac 1L-1AA?
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 350 lm for the Streamlight ProTac 1L-1AA, 900% more. For beam distance the Nitecore EDC31 reaches further: 380 m vs 105 m rated throw (262% more).
Which is cheaper, the Nitecore EDC31 or the Streamlight ProTac 1L-1AA?
When we checked on Nov 4, 2026, the Nitecore EDC31 was $54.95 at batteryjunction.com and the Streamlight ProTac 1L-1AA $56.45 at batteryjunction.com, so the Nitecore EDC31 cost $1.50 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC31 and Streamlight ProTac 1L-1AA use the same battery?
The Nitecore EDC31 runs on a built-in rechargeable battery; the Streamlight ProTac 1L-1AA runs on removable CR123A / AA batteries. Only the Streamlight ProTac 1L-1AA lets you swap in a charged spare.
Compare Nitecore EDC31 with similar lights
Compare Streamlight ProTac 1L-1AA with similar lights
More
Sources
- Nitecore EDC31: specs from manufacturer published specs as listed by batteryjunction.com. Price $54.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- Streamlight ProTac 1L-1AA: specs from manufacturer published specs as listed by batteryjunction.com. Price $56.45 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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