Fenix PD25R vs Sofirn SC18 size comparison
The Sofirn SC18 is 9.5 mm (0.37 in) longer than the Fenix PD25R, and 0.7 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Sofirn SC18 is 9.5 mm (0.37 in) longer than the Fenix PD25R, and 0.7 mm wider at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Fenix PD25R Check price ↗ | Sofirn SC18 Check price ↗ | |
| Length | 92 mm (3.62 in) | 101.5 mm (4.00 in)+9.5 mm |
| Head / width | 24 mm (0.94 in) | 24.7 mm (0.97 in)+0.7 mm |
| Body | 24 mm (0.94 in) | — |
| Weight | 78 g with battery | 55 g without battery |
| Battery | 16340 | 18650 |
| Max output | 800 lm | — |
| Throw | 250 m | — |
| Type | EDC | EDC |
| Price | $59.95 at fenixlighting.com, as of Nov 4, 2026 | from $19.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | flashlightgo.com sourced Only head diameter listed |
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PD25R vs SC18: how they differ
Size and weight
The Fenix PD25R is the shorter light: 92 mm (3.62 in) against 101.5 mm (4.00 in), a difference of 9.5 mm (9%). At its widest point the Fenix PD25R is 0.7 mm slimmer (24 vs 24.7 mm). Weights are published on different bases (Fenix PD25R: 78 g with battery; Sofirn SC18: 55 g without battery), so they are not directly comparable.
Brightness and throw
The Fenix PD25R is rated at 800 lm; we have no published maximum for the Sofirn SC18.
Battery
The Fenix PD25R runs on a removable 16340 battery; the Sofirn SC18 runs on a removable 18650 battery. For scale, a 16340 cell is about 16 × 34 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix PD25R was $59.95 at fenixlighting.com and the Sofirn SC18 from $19.99 at flashlightgo.com, so the Sofirn SC18 cost $39.96 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix PD25R if you want a shorter light (9.5 mm shorter). On the specs we track, the Fenix PD25R is ahead or level everywhere; the Sofirn SC18 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 ↗ Fenix PD25R Check price ↗ Sofirn SC18
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PD25R vs SC18 FAQ
Which is smaller, the Fenix PD25R or the Sofirn SC18?
The Fenix PD25R is the shorter light: 92 mm (3.62 in) against 101.5 mm (4.00 in), a difference of 9.5 mm (9%). At its widest point the Fenix PD25R is 0.7 mm slimmer (24 vs 24.7 mm). Weights are published on different bases (Fenix PD25R: 78 g with battery; Sofirn SC18: 55 g without battery), so they are not directly comparable.
Which is cheaper, the Fenix PD25R or the Sofirn SC18?
When we checked on Nov 4, 2026, the Fenix PD25R was $59.95 at fenixlighting.com and the Sofirn SC18 from $19.99 at flashlightgo.com, so the Sofirn SC18 cost $39.96 less. Prices change often, so check the current price before you buy.
Do the Fenix PD25R and Sofirn SC18 use the same battery?
The Fenix PD25R runs on a removable 16340 battery; the Sofirn SC18 runs on a removable 18650 battery. For scale, a 16340 cell is about 16 × 34 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix PD25R with similar lights
Compare Sofirn SC18 with similar lights
More
Sources
- Fenix PD25R: specs from Fenix product page (manufacturer). Price $59.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- 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.
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