Fenix LD31 RENEGADE vs Sofirn SC31 Pro size comparison
The Sofirn SC31 Pro is 8.9 mm (0.35 in) shorter than the Fenix LD31 RENEGADE, 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 8.9 mm (0.35 in) shorter than the Fenix LD31 RENEGADE, 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 LD31 RENEGADE Check price ↗ | Sofirn SC31 Pro Check price ↗ | |
| Length | 126.4 mm (4.98 in) | 117.5 mm (4.63 in)−8.9 mm |
| Head / width | 26.5 mm (1.04 in) | 25.4 mm (1.00 in)−1.1 mm |
| Body | 25.6 mm (1.01 in) | — |
| Weight | 164 g with battery | 59 g without battery |
| Battery | 21700 | 18650 |
| Max output | 3,200 lm | 2,000 lm |
| Throw | 355 m | — |
| Type | EDC | EDC |
| Price | $99.95 at fenixlighting.com, as of Nov 4, 2026 | not verified yet |
| Source | fenixlighting.com sourced Listed 26.5 mm wide x 25.6 mm high | sofirnlight.com sourced Only head diameter listed |
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LD31 RENEGADE vs SC31 Pro: how they differ
Size and weight
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 126.4 mm (4.98 in), a difference of 8.9 mm (7%). 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 LD31 RENEGADE: 164 g with battery; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Brightness and throw
The Fenix LD31 RENEGADE is rated brighter: 3,200 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 60% more.
Battery
The Fenix LD31 RENEGADE 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 LD31 RENEGADE if you want more output (3,200 lm vs 2,000 lm). Choose the Sofirn SC31 Pro if you want a shorter light (8.9 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LD31 RENEGADE Check price ↗ Sofirn SC31 Pro
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LD31 RENEGADE vs SC31 Pro FAQ
Which is smaller, the Fenix LD31 RENEGADE or the Sofirn SC31 Pro?
The Sofirn SC31 Pro is the shorter light: 117.5 mm (4.63 in) against 126.4 mm (4.98 in), a difference of 8.9 mm (7%). 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 LD31 RENEGADE: 164 g with battery; Sofirn SC31 Pro: 59 g without battery), so they are not directly comparable.
Which is brighter, the Fenix LD31 RENEGADE or the Sofirn SC31 Pro?
The Fenix LD31 RENEGADE is rated brighter: 3,200 lm maximum vs 2,000 lm for the Sofirn SC31 Pro, 60% more.
Do the Fenix LD31 RENEGADE and Sofirn SC31 Pro use the same battery?
The Fenix LD31 RENEGADE 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 LD31 RENEGADE with similar lights
Compare Sofirn SC31 Pro with similar lights
More
Sources
- Fenix LD31 RENEGADE: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $99.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Sofirn SC31 Pro: specs from manufacturer published specs as listed by sofirnlight.com. Drawing: outline from published specs. No verified price yet.
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