Fenix TK35UE V2.0 vs ThruNite BSS V6 size comparison
The ThruNite BSS V6 is 3 mm (0.12 in) longer than the Fenix TK35UE V2.0, and 18 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The ThruNite BSS V6 is 3 mm (0.12 in) longer than the Fenix TK35UE V2.0, and 18 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Fenix TK35UE V2.0 Check price ↗ | ThruNite BSS V6 Check price ↗ | |
| Length | 143 mm (5.63 in) | 146 mm (5.75 in)+3 mm |
| Head / width | 43 mm (1.69 in) | 25 mm (0.98 in)−18 mm |
| Body | — | 24 mm (0.94 in) |
| Weight | 202 g without battery | 97 g listed |
| Battery | 18650 / 2x CR123A | 18650 |
| Max output | 5,000 lm | 2,000 lm |
| Throw | 400 m | 259 m |
| Type | Tactical | Tactical |
| Price | $139.95 at fenixlighting.com, as of Nov 4, 2026 | $49.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Only head diameter listed | batteryjunction.com sourced |
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TK35UE V2.0 vs BSS V6: how they differ
Size and weight
The Fenix TK35UE V2.0 is the shorter light: 143 mm (5.63 in) against 146 mm (5.75 in), a difference of 3 mm (2%). At its widest point the ThruNite BSS V6 is 18 mm slimmer (25 vs 43 mm). Weights are published on different bases (Fenix TK35UE V2.0: 202 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Brightness and throw
The Fenix TK35UE V2.0 is rated brighter: 5,000 lm maximum vs 2,000 lm for the ThruNite BSS V6, 150% more. For beam distance the Fenix TK35UE V2.0 reaches further: 400 m vs 259 m rated throw (54% more).
Battery
The Fenix TK35UE V2.0 runs on removable 18650 / 2x CR123A batteries; the ThruNite BSS V6 runs on a removable 18650 battery.
Price
When we checked on Nov 4, 2026, the Fenix TK35UE V2.0 was $139.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $89.96 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 TK35UE V2.0 if you want a shorter light (3 mm shorter), more output (5,000 lm vs 2,000 lm) and longer throw (400 m vs 259 m). Choose the ThruNite BSS V6 if you want a slimmer profile (18 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK35UE V2.0 Check price ↗ ThruNite BSS V6
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TK35UE V2.0 vs BSS V6 FAQ
Which is smaller, the Fenix TK35UE V2.0 or the ThruNite BSS V6?
The Fenix TK35UE V2.0 is the shorter light: 143 mm (5.63 in) against 146 mm (5.75 in), a difference of 3 mm (2%). At its widest point the ThruNite BSS V6 is 18 mm slimmer (25 vs 43 mm). Weights are published on different bases (Fenix TK35UE V2.0: 202 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Which is brighter, the Fenix TK35UE V2.0 or the ThruNite BSS V6?
The Fenix TK35UE V2.0 is rated brighter: 5,000 lm maximum vs 2,000 lm for the ThruNite BSS V6, 150% more. For beam distance the Fenix TK35UE V2.0 reaches further: 400 m vs 259 m rated throw (54% more).
Which is cheaper, the Fenix TK35UE V2.0 or the ThruNite BSS V6?
When we checked on Nov 4, 2026, the Fenix TK35UE V2.0 was $139.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $89.96 less. Prices change often, so check the current price before you buy.
Do the Fenix TK35UE V2.0 and ThruNite BSS V6 use the same battery?
The Fenix TK35UE V2.0 runs on removable 18650 / 2x CR123A batteries; the ThruNite BSS V6 runs on a removable 18650 battery.
Compare Fenix TK35UE V2.0 with similar lights
Compare ThruNite BSS V6 with similar lights
More
Sources
- Fenix TK35UE V2.0: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $139.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- ThruNite BSS V6: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $49.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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