Fenix LD45R vs Fenix TK35R size comparison
The Fenix TK35R is 1.3 mm (0.05 in) shorter than the Fenix LD45R, and 1.5 mm narrower at its widest point. It is 40 g heavier (with battery).
The Fenix TK35R is 1.3 mm (0.05 in) shorter than the Fenix LD45R, and 1.5 mm narrower at its widest point. It is 40 g heavier (with battery).
Dimensions
| Fenix LD45R Check price ↗ | Fenix TK35R Check price ↗ | |
| Length | 155.3 mm (6.11 in) | 154 mm (6.06 in)−1.3 mm |
| Head / width | 44.5 mm (1.75 in) | 43 mm (1.69 in)−1.5 mm |
| Body | 32 mm (1.26 in) | 43 mm (1.69 in)+11 mm |
| Weight | 302 g with battery | 342 g with battery+40 g |
| Battery | 21700 | Two included 4000mAh rechargeable li-ion |
| Max output | 2,800 lm | 5,800 lm |
| Throw | 480 m | 610 m |
| Type | Tactical | Tactical |
| Price | $159.95 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 |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
LD45R vs TK35R: how they differ
Size and weight
The Fenix TK35R is the shorter light: 154 mm (6.06 in) against 155.3 mm (6.11 in), a difference of 1.3 mm (1%). At its widest point the Fenix TK35R is 1.5 mm slimmer (43 vs 44.5 mm). The Fenix LD45R is 40 g lighter (302 g vs 342 g, with battery).
Brightness and throw
The Fenix TK35R is rated brighter: 5,800 lm maximum vs 2,800 lm for the Fenix LD45R, 107% more. For beam distance the Fenix TK35R reaches further: 610 m vs 480 m rated throw (27% more).
Battery
The Fenix LD45R 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 LD45R was $159.95 at fenixlighting.com and the Fenix TK35R $199.95 at fenixlighting.com, so the Fenix LD45R cost $40.00 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 LD45R if you want less weight (40 g lighter). Choose the Fenix TK35R if you want a slimmer profile (1.5 mm narrower), more output (5,800 lm vs 2,800 lm) and longer throw (610 m vs 480 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LD45R Check price ↗ Fenix TK35R
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
LD45R vs TK35R FAQ
Which is smaller, the Fenix LD45R or the Fenix TK35R?
The Fenix TK35R is the shorter light: 154 mm (6.06 in) against 155.3 mm (6.11 in), a difference of 1.3 mm (1%). At its widest point the Fenix TK35R is 1.5 mm slimmer (43 vs 44.5 mm). The Fenix LD45R is 40 g lighter (302 g vs 342 g, with battery).
Which is brighter, the Fenix LD45R or the Fenix TK35R?
The Fenix TK35R is rated brighter: 5,800 lm maximum vs 2,800 lm for the Fenix LD45R, 107% more. For beam distance the Fenix TK35R reaches further: 610 m vs 480 m rated throw (27% more).
Which is cheaper, the Fenix LD45R or the Fenix TK35R?
When we checked on Nov 4, 2026, the Fenix LD45R was $159.95 at fenixlighting.com and the Fenix TK35R $199.95 at fenixlighting.com, so the Fenix LD45R cost $40.00 less. Prices change often, so check the current price before you buy.
Do the Fenix LD45R and Fenix TK35R use the same battery?
The Fenix LD45R runs on a removable 21700 battery; the Fenix TK35R runs on its own battery (Two included 4000mAh rechargeable li-ion).
Compare Fenix LD45R with similar lights
Compare Fenix TK35R with similar lights
More
Sources
- Fenix LD45R: specs from Fenix product page (manufacturer). Price $159.95 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.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.