Fenix PD26R ACE vs Sofirn SC18 size comparison

PD26R ACE vs SC18: how they differ

Size and weight

The Sofirn SC18 is the shorter light: 101.5 mm (4.00 in) against 106 mm (4.17 in), a difference of 4.5 mm (4%). At its widest point the Sofirn SC18 is 1.9 mm slimmer (24.7 vs 26.6 mm). Weights are published on different bases (Fenix PD26R ACE: 102.3 g with battery; Sofirn SC18: 55 g without battery), so they are not directly comparable.

Brightness and throw

The Fenix PD26R ACE is rated at 1,300 lm; we have no published maximum for the Sofirn SC18.

Battery

The Fenix PD26R ACE runs on a removable 18350 battery; the Sofirn SC18 runs on a removable 18650 battery. For scale, a 18350 cell is about 18 × 35 mm and a 18650 about 18 × 65 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix PD26R ACE was from $62.96 at fenixlighting.com and the Sofirn SC18 from $19.99 at flashlightgo.com, so the Sofirn SC18 cost $42.97 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 Sofirn SC18 if you want a shorter light (4.5 mm shorter) and a slimmer profile (1.9 mm narrower). On the specs we track, the Sofirn SC18 is ahead or level everywhere; the Fenix PD26R ACE 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 PD26R ACE Check price ↗ Sofirn SC18

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