Sofirn IF22A vs Sofirn SC18 size comparison
The Sofirn SC18 is 25.6 mm (1.01 in) shorter than the Sofirn IF22A, and 17.3 mm narrower at its widest point. It is 65 g lighter (without battery).
The Sofirn SC18 is 25.6 mm (1.01 in) shorter than the Sofirn IF22A, and 17.3 mm narrower at its widest point. It is 65 g lighter (without battery).
Dimensions
| Sofirn IF22A Check price ↗ | Sofirn SC18 Check price ↗ | |
| Length | 127.1 mm (5.00 in) | 101.5 mm (4.00 in)−25.6 mm |
| Head / width | 42 mm (1.65 in) | 24.7 mm (0.97 in)−17.3 mm |
| Body | 28 mm (1.10 in) | — |
| Weight | 120 g without battery | 55 g without battery−65 g |
| Battery | 21700 | 18650 |
| Max output | 2,100 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | not verified yet | from $19.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | sofirnlight.com sourced Pocket thrower | flashlightgo.com sourced Only head diameter listed |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
IF22A vs SC18: how they differ
Size and weight
The Sofirn SC18 is the shorter light: 101.5 mm (4.00 in) against 127.1 mm (5.00 in), a difference of 25.6 mm (20%). At its widest point the Sofirn SC18 is 17.3 mm slimmer (24.7 vs 42 mm). The Sofirn SC18 is 65 g lighter (55 g vs 120 g, without battery).
Brightness and throw
The Sofirn IF22A is rated at 2,100 lm; we have no published maximum for the Sofirn SC18.
Battery
The Sofirn IF22A runs on a removable 21700 battery; the Sofirn SC18 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Sofirn SC18 if you want a shorter light (25.6 mm shorter), a slimmer profile (17.3 mm narrower) and less weight (65 g lighter). On the specs we track, the Sofirn SC18 is ahead or level everywhere; the Sofirn IF22A 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 IF22A Check price ↗ Sofirn SC18
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
IF22A vs SC18 FAQ
Which is smaller, the Sofirn IF22A or the Sofirn SC18?
The Sofirn SC18 is the shorter light: 101.5 mm (4.00 in) against 127.1 mm (5.00 in), a difference of 25.6 mm (20%). At its widest point the Sofirn SC18 is 17.3 mm slimmer (24.7 vs 42 mm). The Sofirn SC18 is 65 g lighter (55 g vs 120 g, without battery).
Do the Sofirn IF22A and Sofirn SC18 use the same battery?
The Sofirn IF22A runs on a removable 21700 battery; the Sofirn SC18 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Sofirn IF22A with similar lights
Compare Sofirn SC18 with similar lights
More
Sources
- Sofirn IF22A: specs from manufacturer published specs as listed by sofirnlight.com. No verified price yet.
- 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.
Found an error? Email [email protected] and we will fix it.