Fenix PD36 TAC vs ThruNite BSS V6 size comparison
The ThruNite BSS V6 is 6 mm (0.24 in) longer than the Fenix PD36 TAC, and 1.5 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Fenix PD36 TAC: Photo: Fenix · ThruNite BSS V6: Photo: ThruNite · Image policy
The ThruNite BSS V6 is 6 mm (0.24 in) longer than the Fenix PD36 TAC, and 1.5 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Fenix PD36 TAC Check price ↗ | ThruNite BSS V6 Check price ↗ | |
| Length | 140 mm (5.51 in) | 146 mm (5.75 in)+6 mm |
| Head / width | 26.5 mm (1.04 in) | 25 mm (0.98 in)−1.5 mm |
| Body | 25.4 mm (1.00 in) | 24 mm (0.94 in)−1.4 mm |
| Weight | 92 g without battery | 97 g listed |
| Battery | 21700 | 18650 |
| Max output | 3,000 lm | 2,000 lm |
| Throw | 274 m | 259 m |
| Type | Tactical | Tactical |
| Price | $99.95 at fenixlighting.com, as of Nov 4, 2026 | $49.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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PD36 TAC vs BSS V6: how they differ
Size and weight
The Fenix PD36 TAC is the shorter light: 140 mm (5.51 in) against 146 mm (5.75 in), a difference of 6 mm (4%). At its widest point the ThruNite BSS V6 is 1.5 mm slimmer (25 vs 26.5 mm). Weights are published on different bases (Fenix PD36 TAC: 92 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Brightness and throw
The Fenix PD36 TAC is rated brighter: 3,000 lm maximum vs 2,000 lm for the ThruNite BSS V6, 50% more. For beam distance the Fenix PD36 TAC reaches further: 274 m vs 259 m rated throw (6% more).
Battery
The Fenix PD36 TAC runs on a removable 21700 battery; the ThruNite BSS V6 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 PD36 TAC was $99.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $49.96 less. Prices change often, so check the current price before you buy.
Type
Both are tactical lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix PD36 TAC if you want a shorter light (6 mm shorter) and more output (3,000 lm vs 2,000 lm). Choose the ThruNite BSS V6 if you want a slimmer profile (1.5 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix PD36 TAC Check price ↗ ThruNite BSS V6
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
PD36 TAC vs BSS V6 FAQ
Which is smaller, the Fenix PD36 TAC or the ThruNite BSS V6?
The Fenix PD36 TAC is the shorter light: 140 mm (5.51 in) against 146 mm (5.75 in), a difference of 6 mm (4%). At its widest point the ThruNite BSS V6 is 1.5 mm slimmer (25 vs 26.5 mm). Weights are published on different bases (Fenix PD36 TAC: 92 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Which is brighter, the Fenix PD36 TAC or the ThruNite BSS V6?
The Fenix PD36 TAC is rated brighter: 3,000 lm maximum vs 2,000 lm for the ThruNite BSS V6, 50% more. For beam distance the Fenix PD36 TAC reaches further: 274 m vs 259 m rated throw (6% more).
Which is cheaper, the Fenix PD36 TAC or the ThruNite BSS V6?
When we checked on Nov 4, 2026, the Fenix PD36 TAC was $99.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $49.96 less. Prices change often, so check the current price before you buy.
Do the Fenix PD36 TAC and ThruNite BSS V6 use the same battery?
The Fenix PD36 TAC runs on a removable 21700 battery; the ThruNite BSS V6 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 PD36 TAC with similar lights
Compare ThruNite BSS V6 with similar lights
More
Sources
- Fenix PD36 TAC: specs from Fenix product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Fenix; image policy). Price $99.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- ThruNite BSS V6: specs from manufacturer published specs as listed by batteryjunction.com. Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: ThruNite; image policy). Price $49.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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