Sofirn IF22A vs Sofirn SC31 Pro size comparison
The Sofirn SC31 Pro is 9.6 mm (0.38 in) shorter than the Sofirn IF22A, and 16.6 mm narrower at its widest point. It is 61 g lighter (without battery).
The Sofirn SC31 Pro is 9.6 mm (0.38 in) shorter than the Sofirn IF22A, and 16.6 mm narrower at its widest point. It is 61 g lighter (without battery).
Dimensions
| Sofirn IF22A Check price ↗ | Sofirn SC31 Pro Check price ↗ | |
| Length | 127.1 mm (5.00 in) | 117.5 mm (4.63 in)−9.6 mm |
| Head / width | 42 mm (1.65 in) | 25.4 mm (1.00 in)−16.6 mm |
| Body | 28 mm (1.10 in) | — |
| Weight | 120 g without battery | 59 g without battery−61 g |
| Battery | 21700 | 18650 |
| Max output | 2,100 lm | 2,000 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Source | sofirnlight.com sourced Pocket thrower | sofirnlight.com sourced Only head diameter listed |
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IF22A vs SC31 Pro: how they differ
Size and weight
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 127.1 mm (5.00 in), a difference of 9.6 mm (8%). At its widest point the Sofirn SC31 Pro is 16.6 mm slimmer (25.4 vs 42 mm). The Sofirn SC31 Pro is 61 g lighter (59 g vs 120 g, without battery).
Brightness and throw
The Sofirn IF22A is rated brighter: 2,100 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 5% more.
Battery
The Sofirn IF22A runs on a removable 21700 battery; the Sofirn SC31 Pro 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 SC31 Pro if you want a shorter light (9.6 mm shorter), a slimmer profile (16.6 mm narrower) and less weight (61 g lighter). On the specs we track, the Sofirn SC31 Pro 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 SC31 Pro
IF22A vs SC31 Pro FAQ
Which is smaller, the Sofirn IF22A or the Sofirn SC31 Pro?
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 127.1 mm (5.00 in), a difference of 9.6 mm (8%). At its widest point the Sofirn SC31 Pro is 16.6 mm slimmer (25.4 vs 42 mm). The Sofirn SC31 Pro is 61 g lighter (59 g vs 120 g, without battery).
Which is brighter, the Sofirn IF22A or the Sofirn SC31 Pro?
The Sofirn IF22A is rated brighter: 2,100 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 5% more.
Do the Sofirn IF22A and Sofirn SC31 Pro use the same battery?
The Sofirn IF22A runs on a removable 21700 battery; the Sofirn SC31 Pro runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).