Fenix LD31 RENEGADE vs ThruNite TC15 V3 size comparison
The ThruNite TC15 V3 is 4.4 mm (0.17 in) shorter than the Fenix LD31 RENEGADE, and 0.5 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The ThruNite TC15 V3 is 4.4 mm (0.17 in) shorter than the Fenix LD31 RENEGADE, and 0.5 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix LD31 RENEGADE Check price ↗ | ThruNite TC15 V3 Check price ↗ | |
| Length | 126.4 mm (4.98 in) | 122 mm (4.80 in)−4.4 mm |
| Head / width | 26.5 mm (1.04 in) | 27 mm (1.06 in)+0.5 mm |
| Body | 25.6 mm (1.01 in) | 23 mm (0.91 in)−2.6 mm |
| Weight | 164 g with battery | 74 g listed |
| Battery | 21700 | 18650 |
| Max output | 3,200 lm | 2,403 lm |
| Throw | 355 m | 223 m |
| Type | EDC | EDC |
| Price | $99.95 at fenixlighting.com, as of Nov 4, 2026 | $59.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 26.5 mm wide x 25.6 mm high | batteryjunction.com sourced Retailer lists W 27 x H 23 mm |
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LD31 RENEGADE vs TC15 V3: how they differ
Size and weight
The ThruNite TC15 V3 is the shorter light: 122 mm (4.80 in) against 126.4 mm (4.98 in), a difference of 4.4 mm (3%). At its widest point the Fenix LD31 RENEGADE is 0.5 mm slimmer (26.5 vs 27 mm). Weights are published on different bases (Fenix LD31 RENEGADE: 164 g with battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Brightness and throw
The Fenix LD31 RENEGADE is rated brighter: 3,200 lm maximum vs 2,403 lm for the ThruNite TC15 V3, 33% more. For beam distance the Fenix LD31 RENEGADE reaches further: 355 m vs 223 m rated throw (59% more).
Battery
The Fenix LD31 RENEGADE runs on a removable 21700 battery; the ThruNite TC15 V3 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix LD31 RENEGADE was $99.95 at fenixlighting.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 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 LD31 RENEGADE if you want more output (3,200 lm vs 2,403 lm) and longer throw (355 m vs 223 m). Choose the ThruNite TC15 V3 if you want a shorter light (4.4 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 ↗ ThruNite TC15 V3
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
LD31 RENEGADE vs TC15 V3 FAQ
Which is smaller, the Fenix LD31 RENEGADE or the ThruNite TC15 V3?
The ThruNite TC15 V3 is the shorter light: 122 mm (4.80 in) against 126.4 mm (4.98 in), a difference of 4.4 mm (3%). At its widest point the Fenix LD31 RENEGADE is 0.5 mm slimmer (26.5 vs 27 mm). Weights are published on different bases (Fenix LD31 RENEGADE: 164 g with battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Which is brighter, the Fenix LD31 RENEGADE or the ThruNite TC15 V3?
The Fenix LD31 RENEGADE is rated brighter: 3,200 lm maximum vs 2,403 lm for the ThruNite TC15 V3, 33% more. For beam distance the Fenix LD31 RENEGADE reaches further: 355 m vs 223 m rated throw (59% more).
Which is cheaper, the Fenix LD31 RENEGADE or the ThruNite TC15 V3?
When we checked on Nov 4, 2026, the Fenix LD31 RENEGADE was $99.95 at fenixlighting.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 cost $39.96 less. Prices change often, so check the current price before you buy.
Do the Fenix LD31 RENEGADE and ThruNite TC15 V3 use the same battery?
The Fenix LD31 RENEGADE runs on a removable 21700 battery; the ThruNite TC15 V3 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 ThruNite TC15 V3 with similar lights
More
Sources
- Fenix LD31 RENEGADE: specs from Fenix product page (manufacturer). Price $99.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- ThruNite TC15 V3: specs from manufacturer published specs as listed by batteryjunction.com. Price $59.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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