Fenix E35R vs Sofirn SC31 Pro size comparison
The Sofirn SC31 Pro is 2.5 mm (0.10 in) shorter than the Fenix E35R, and 1.1 mm narrower at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Sofirn SC31 Pro is 2.5 mm (0.10 in) shorter than the Fenix E35R, and 1.1 mm narrower at its widest point. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Fenix E35R Check price ↗ | Sofirn SC31 Pro Check price ↗ | |
| Length | 120 mm (4.72 in) | 117.5 mm (4.63 in)−2.5 mm |
| Head / width | 26.5 mm (1.04 in) | 25.4 mm (1.00 in)−1.1 mm |
| Body | 24.8 mm (0.98 in) | — |
| Weight | 148 g with battery | 59 g without battery |
| Battery | 21700 | 18650 |
| Max output | 3,100 lm | 2,000 lm |
| Throw | 260 m | — |
| Type | EDC | EDC |
| Price | $79.95 at fenixlighting.com, as of Nov 4, 2026 | not verified yet |
| Source | fenixlighting.com sourced | sofirnlight.com sourced Only head diameter listed |
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E35R vs SC31 Pro: how they differ
Size and weight
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 120 mm (4.72 in), a difference of 2.5 mm (2%). At its widest point the Sofirn SC31 Pro is 1.1 mm slimmer (25.4 vs 26.5 mm). Weights are published on different bases (Fenix E35R: 148 g with battery; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Brightness and throw
The Fenix E35R is rated brighter: 3,100 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 55% more.
Battery
The Fenix E35R 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 Fenix E35R if you want more output (3,100 lm vs 2,000 lm). On the specs we track, the Fenix E35R is ahead or level everywhere; the Sofirn SC31 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 ↗ Fenix E35R Check price ↗ Sofirn SC31 Pro
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E35R vs SC31 Pro FAQ
Which is smaller, the Fenix E35R or the Sofirn SC31 Pro?
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 120 mm (4.72 in), a difference of 2.5 mm (2%). At its widest point the Sofirn SC31 Pro is 1.1 mm slimmer (25.4 vs 26.5 mm). Weights are published on different bases (Fenix E35R: 148 g with battery; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Which is brighter, the Fenix E35R or the Sofirn SC31 Pro?
The Fenix E35R is rated brighter: 3,100 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 55% more.
Do the Fenix E35R and Sofirn SC31 Pro use the same battery?
The Fenix E35R 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).
Compare Fenix E35R with similar lights
Compare Sofirn SC31 Pro with similar lights
More
Sources
- Fenix E35R: specs from Fenix product page (manufacturer). Price $79.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Sofirn SC31 Pro: specs from manufacturer published specs as listed by sofirnlight.com. No verified price yet.
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