Nitecore EDC31 vs Sofirn SC31 Pro size comparison
The Sofirn SC31 Pro is 4.5 mm (0.18 in) longer than the Nitecore EDC31, and 2.4 mm wider at its widest point. Weights are published on different bases (without battery vs with clip), so compare them with care.
The Sofirn SC31 Pro is 4.5 mm (0.18 in) longer than the Nitecore EDC31, and 2.4 mm wider at its widest point. Weights are published on different bases (without battery vs with clip), so compare them with care.
Dimensions
| Nitecore EDC31 Check price ↗ | Sofirn SC31 Pro Check price ↗ | |
| Length | 113 mm (4.45 in) | 117.5 mm (4.63 in)+4.5 mm |
| Head / width | 23 mm (0.91 in) | 25.4 mm (1.00 in)+2.4 mm |
| Body | 23 mm (0.91 in) | — |
| Weight | 100 g with clip | 59 g without battery |
| Battery | Built-in | 18650 |
| Max output | 3,500 lm | 2,000 lm |
| Throw | 380 m | — |
| Type | EDC | EDC |
| Price | $54.95 at batteryjunction.com, as of Nov 4, 2026 | not verified yet |
| Source | batteryjunction.com sourced Maker page: 4.46 in, head 0.91 in, tube 0.89 in, 3.53 oz with clip | sofirnlight.com sourced Only head diameter listed |
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EDC31 vs SC31 Pro: how they differ
Size and weight
The Nitecore EDC31 is the shorter light: 113 mm (4.45 in) against 117.5 mm (4.63 in), a difference of 4.5 mm (4%). At its widest point the Nitecore EDC31 is 2.4 mm slimmer (23 vs 25.4 mm). Weights are published on different bases (Nitecore EDC31: 100 g with clip; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Brightness and throw
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 75% more.
Battery
The Nitecore EDC31 runs on a built-in rechargeable battery; the Sofirn SC31 Pro runs on a removable 18650 battery. Only the Sofirn SC31 Pro lets you swap in a charged spare.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Nitecore EDC31 if you want a shorter light (4.5 mm shorter), a slimmer profile (2.4 mm narrower), more output (3,500 lm vs 2,000 lm) and a built-in battery with no separate cell to buy. Choose the Sofirn SC31 Pro if you want 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 ↗ Sofirn SC31 Pro
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EDC31 vs SC31 Pro FAQ
Which is smaller, the Nitecore EDC31 or the Sofirn SC31 Pro?
The Nitecore EDC31 is the shorter light: 113 mm (4.45 in) against 117.5 mm (4.63 in), a difference of 4.5 mm (4%). At its widest point the Nitecore EDC31 is 2.4 mm slimmer (23 vs 25.4 mm). Weights are published on different bases (Nitecore EDC31: 100 g with clip; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Which is brighter, the Nitecore EDC31 or the Sofirn SC31 Pro?
The Nitecore EDC31 is rated brighter: 3,500 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 75% more.
Do the Nitecore EDC31 and Sofirn SC31 Pro use the same battery?
The Nitecore EDC31 runs on a built-in rechargeable battery; the Sofirn SC31 Pro runs on a removable 18650 battery. Only the Sofirn SC31 Pro lets you swap in a charged spare.
Compare Nitecore EDC31 with similar lights
Compare Sofirn SC31 Pro 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.
- Sofirn SC31 Pro: specs from manufacturer published specs as listed by sofirnlight.com. No verified price yet.
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