Fenix TK15R vs Fenix TK35R size comparison
The Fenix TK35R is 5 mm (0.20 in) longer than the Fenix TK15R, and 9 mm wider at its widest point. It is 137 g heavier (with battery).
The Fenix TK35R is 5 mm (0.20 in) longer than the Fenix TK15R, and 9 mm wider at its widest point. It is 137 g heavier (with battery).
Dimensions
| Fenix TK15R Check price ↗ | Fenix TK35R Check price ↗ | |
| Length | 149 mm (5.87 in) | 154 mm (6.06 in)+5 mm |
| Head / width | 34 mm (1.34 in) | 43 mm (1.69 in)+9 mm |
| Body | 25.4 mm (1.00 in) | 43 mm (1.69 in)+17.6 mm |
| Weight | 205.5 g with battery | 342 g with battery+137 g |
| Battery | 21700 | Two included 4000mAh rechargeable li-ion |
| Max output | 3,200 lm | 5,800 lm |
| Throw | 490 m | 610 m |
| Type | Tactical | Tactical |
| Price | $119.95 at fenixlighting.com, as of Nov 4, 2026 | $199.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced Only body width (43 mm) listed |
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TK15R vs TK35R: how they differ
Size and weight
The Fenix TK15R is the shorter light: 149 mm (5.87 in) against 154 mm (6.06 in), a difference of 5 mm (3%). At its widest point the Fenix TK15R is 9 mm slimmer (34 vs 43 mm). The Fenix TK15R is 137 g lighter (205.5 g vs 342 g, with battery).
Brightness and throw
The Fenix TK35R is rated brighter: 5,800 lm maximum vs 3,200 lm for the Fenix TK15R, 81% more. For beam distance the Fenix TK35R reaches further: 610 m vs 490 m rated throw (24% more).
Battery
The Fenix TK15R runs on a removable 21700 battery; the Fenix TK35R runs on its own battery (Two included 4000mAh rechargeable li-ion).
Price
When we checked on Nov 4, 2026, the Fenix TK15R was $119.95 at fenixlighting.com and the Fenix TK35R $199.95 at fenixlighting.com, so the Fenix TK15R cost $80.00 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 TK15R if you want a shorter light (5 mm shorter), a slimmer profile (9 mm narrower) and less weight (137 g lighter). Choose the Fenix TK35R if you want more output (5,800 lm vs 3,200 lm) and longer throw (610 m vs 490 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK15R Check price ↗ Fenix TK35R
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TK15R vs TK35R FAQ
Which is smaller, the Fenix TK15R or the Fenix TK35R?
The Fenix TK15R is the shorter light: 149 mm (5.87 in) against 154 mm (6.06 in), a difference of 5 mm (3%). At its widest point the Fenix TK15R is 9 mm slimmer (34 vs 43 mm). The Fenix TK15R is 137 g lighter (205.5 g vs 342 g, with battery).
Which is brighter, the Fenix TK15R or the Fenix TK35R?
The Fenix TK35R is rated brighter: 5,800 lm maximum vs 3,200 lm for the Fenix TK15R, 81% more. For beam distance the Fenix TK35R reaches further: 610 m vs 490 m rated throw (24% more).
Which is cheaper, the Fenix TK15R or the Fenix TK35R?
When we checked on Nov 4, 2026, the Fenix TK15R was $119.95 at fenixlighting.com and the Fenix TK35R $199.95 at fenixlighting.com, so the Fenix TK15R cost $80.00 less. Prices change often, so check the current price before you buy.
Do the Fenix TK15R and Fenix TK35R use the same battery?
The Fenix TK15R runs on a removable 21700 battery; the Fenix TK35R runs on its own battery (Two included 4000mAh rechargeable li-ion).
Compare Fenix TK15R with similar lights
Compare Fenix TK35R with similar lights
More
Sources
- Fenix TK15R: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix TK35R: specs from Fenix product page (manufacturer). Price $199.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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