Sofirn SC31 Pro vs ThruNite TC15 V3 size comparison
The ThruNite TC15 V3 is 4.5 mm (0.18 in) longer than the Sofirn SC31 Pro, and 1.6 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The ThruNite TC15 V3 is 4.5 mm (0.18 in) longer than the Sofirn SC31 Pro, and 1.6 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Sofirn SC31 Pro Check price ↗ | ThruNite TC15 V3 Check price ↗ | |
| Length | 117.5 mm (4.63 in) | 122 mm (4.80 in)+4.5 mm |
| Head / width | 25.4 mm (1.00 in) | 27 mm (1.06 in)+1.6 mm |
| Body | — | 23 mm (0.91 in) |
| Weight | 59 g without battery | 74 g listed |
| Battery | 18650 | 18650 |
| Max output | 2,000 lm | 2,403 lm |
| Throw | — | 223 m |
| Type | EDC | EDC |
| Price | not verified yet | $59.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | sofirnlight.com sourced Only head diameter listed | batteryjunction.com sourced Retailer lists W 27 x H 23 mm |
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SC31 Pro vs TC15 V3: how they differ
Size and weight
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 122 mm (4.80 in), a difference of 4.5 mm (4%). At its widest point the Sofirn SC31 Pro is 1.6 mm slimmer (25.4 vs 27 mm). Weights are published on different bases (Sofirn SC31 Pro: 59 g without battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite TC15 V3 is rated brighter: 2,403 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 20% more.
Battery
Both run on a removable 18650 battery, so spare cells work in either light.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Sofirn SC31 Pro if you want a shorter light (4.5 mm shorter) and a slimmer profile (1.6 mm narrower). Choose the ThruNite TC15 V3 if you want more output (2,403 lm vs 2,000 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Sofirn SC31 Pro Check price ↗ ThruNite TC15 V3
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
SC31 Pro vs TC15 V3 FAQ
Which is smaller, the Sofirn SC31 Pro or the ThruNite TC15 V3?
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 122 mm (4.80 in), a difference of 4.5 mm (4%). At its widest point the Sofirn SC31 Pro is 1.6 mm slimmer (25.4 vs 27 mm). Weights are published on different bases (Sofirn SC31 Pro: 59 g without battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Which is brighter, the Sofirn SC31 Pro or the ThruNite TC15 V3?
The ThruNite TC15 V3 is rated brighter: 2,403 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 20% more.
Do the Sofirn SC31 Pro and ThruNite TC15 V3 use the same battery?
Both run on a removable 18650 battery, so spare cells work in either light.
Compare Sofirn SC31 Pro with similar lights
Compare ThruNite TC15 V3 with similar lights
More
Sources
- Sofirn SC31 Pro: specs from manufacturer published specs as listed by sofirnlight.com. No verified price yet.
- ThruNite TC15 V3: specs from manufacturer published specs as listed by batteryjunction.com. Price $59.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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