Sofirn SC18 vs ThruNite T1 Pro size comparison
The ThruNite T1 Pro is 1.5 mm (0.06 in) longer than the Sofirn SC18, and 2.3 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The ThruNite T1 Pro is 1.5 mm (0.06 in) longer than the Sofirn SC18, and 2.3 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Sofirn SC18 Check price ↗ | ThruNite T1 Pro Check price ↗ | |
| Length | 101.5 mm (4.00 in) | 103 mm (4.06 in)+1.5 mm |
| Head / width | 24.7 mm (0.97 in) | 27 mm (1.06 in)+2.3 mm |
| Body | — | 23 mm (0.91 in) |
| Weight | 55 g without battery | 54 g listed |
| Battery | 18650 | 18650 |
| Max output | — | 1,920 lm |
| Throw | — | 196 m |
| Type | EDC | EDC |
| Price | from $19.99 at flashlightgo.com, as of Nov 4, 2026 | not verified yet |
| Source | flashlightgo.com sourced Only head diameter listed | batteryjunction.com sourced |
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SC18 vs T1 Pro: how they differ
Size and weight
The Sofirn SC18 is the shorter light: 101.5 mm (4.00 in) against 103 mm (4.06 in), a difference of 1.5 mm (1%). At its widest point the Sofirn SC18 is 2.3 mm slimmer (24.7 vs 27 mm). Weights are published on different bases (Sofirn SC18: 55 g without battery; ThruNite T1 Pro: 54 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite T1 Pro is rated at 1,920 lm; we have no published maximum for the Sofirn SC18.
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 SC18 if you want a slimmer profile (2.3 mm narrower). On the specs we track, the Sofirn SC18 is ahead or level everywhere; the ThruNite T1 Pro makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Sofirn SC18 Check price ↗ ThruNite T1 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
SC18 vs T1 Pro FAQ
Which is smaller, the Sofirn SC18 or the ThruNite T1 Pro?
The Sofirn SC18 is the shorter light: 101.5 mm (4.00 in) against 103 mm (4.06 in), a difference of 1.5 mm (1%). At its widest point the Sofirn SC18 is 2.3 mm slimmer (24.7 vs 27 mm). Weights are published on different bases (Sofirn SC18: 55 g without battery; ThruNite T1 Pro: 54 g listed), so they are not directly comparable.
Do the Sofirn SC18 and ThruNite T1 Pro use the same battery?
Both run on a removable 18650 battery, so spare cells work in either light.
Compare Sofirn SC18 with similar lights
Compare ThruNite T1 Pro with similar lights
More
Sources
- Sofirn SC18: specs from manufacturer published specs as listed by flashlightgo.com. Price from $19.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
- ThruNite T1 Pro: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
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