Fenix LR40R V2.0 vs Fenix LR50R size comparison
The Fenix LR50R is 12 mm (0.47 in) shorter than the Fenix LR40R V2.0, and 6 mm wider at its widest point. It is 144 g heavier (with battery).
The Fenix LR50R is 12 mm (0.47 in) shorter than the Fenix LR40R V2.0, and 6 mm wider at its widest point. It is 144 g heavier (with battery).
Dimensions
| Fenix LR40R V2.0 Check price ↗ | Fenix LR50R Check price ↗ | |
| Length | 175 mm (6.89 in) | 163 mm (6.42 in)−12 mm |
| Head / width | 82 mm (3.23 in) | 88 mm (3.46 in)+6 mm |
| Body | 55 mm (2.17 in) | 60 mm (2.36 in)+5 mm |
| Weight | 842.5 g with battery | 986 g with battery+144 g |
| Battery | Built-in | 21700 |
| Max output | 15,000 lm | 12,000 lm |
| Throw | 900 m | 950 m |
| Type | Thrower / search | Thrower / search |
| Price | $299.95 at fenixlighting.com, as of Nov 4, 2026 | $319.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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LR40R V2.0 vs LR50R: how they differ
Size and weight
The Fenix LR50R is the shorter light: 163 mm (6.42 in) against 175 mm (6.89 in), a difference of 12 mm (7%). At its widest point the Fenix LR40R V2.0 is 6 mm slimmer (82 vs 88 mm). The Fenix LR40R V2.0 is 144 g lighter (842.5 g vs 986 g, with battery).
Brightness and throw
The Fenix LR40R V2.0 is rated brighter: 15,000 lm maximum vs 12,000 lm for the Fenix LR50R, 25% more. For beam distance the Fenix LR50R reaches further: 950 m vs 900 m rated throw (6% more).
Battery
The Fenix LR40R V2.0 runs on a built-in rechargeable battery; the Fenix LR50R runs on a removable 21700 battery. Only the Fenix LR50R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix LR40R V2.0 was $299.95 at fenixlighting.com and the Fenix LR50R $319.95 at fenixlighting.com, so the Fenix LR40R V2.0 cost $20.00 less. Prices change often, so check the current price before you buy.
Type
Both are throwers / search lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix LR40R V2.0 if you want a slimmer profile (6 mm narrower), less weight (144 g lighter), more output (15,000 lm vs 12,000 lm) and a built-in battery with no separate cell to buy. Choose the Fenix LR50R if you want a shorter light (12 mm shorter) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LR40R V2.0 Check price ↗ Fenix LR50R
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LR40R V2.0 vs LR50R FAQ
Which is smaller, the Fenix LR40R V2.0 or the Fenix LR50R?
The Fenix LR50R is the shorter light: 163 mm (6.42 in) against 175 mm (6.89 in), a difference of 12 mm (7%). At its widest point the Fenix LR40R V2.0 is 6 mm slimmer (82 vs 88 mm). The Fenix LR40R V2.0 is 144 g lighter (842.5 g vs 986 g, with battery).
Which is brighter, the Fenix LR40R V2.0 or the Fenix LR50R?
The Fenix LR40R V2.0 is rated brighter: 15,000 lm maximum vs 12,000 lm for the Fenix LR50R, 25% more. For beam distance the Fenix LR50R reaches further: 950 m vs 900 m rated throw (6% more).
Which is cheaper, the Fenix LR40R V2.0 or the Fenix LR50R?
When we checked on Nov 4, 2026, the Fenix LR40R V2.0 was $299.95 at fenixlighting.com and the Fenix LR50R $319.95 at fenixlighting.com, so the Fenix LR40R V2.0 cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Fenix LR40R V2.0 and Fenix LR50R use the same battery?
The Fenix LR40R V2.0 runs on a built-in rechargeable battery; the Fenix LR50R runs on a removable 21700 battery. Only the Fenix LR50R lets you swap in a charged spare.
Compare Fenix LR40R V2.0 with similar lights
Compare Fenix LR50R with similar lights
More
Sources
- Fenix LR40R V2.0: specs from Fenix product page (manufacturer). Price $299.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix LR50R: specs from Fenix product page (manufacturer). Price $319.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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