Fenix LR36R vs Fenix LR80R size comparison
The Fenix LR80R is 98.3 mm (3.87 in) longer than the Fenix LR36R, and 51.8 mm wider at its widest point. It is 1143 g heavier (with battery).
The Fenix LR80R is 98.3 mm (3.87 in) longer than the Fenix LR36R, and 51.8 mm wider at its widest point. It is 1143 g heavier (with battery).
Dimensions
| Fenix LR36R Check price ↗ | Fenix LR80R Check price ↗ | |
| Length | 160.7 mm (6.33 in) | 259 mm (10.20 in)+98.3 mm |
| Head / width | 56.2 mm (2.21 in) | 108 mm (4.25 in)+51.8 mm |
| Body | 55.1 mm (2.17 in) | 54 mm (2.13 in)−1.1 mm |
| Weight | 493 g with battery | 1636 g with battery+1143 g |
| Battery | 21700 | Built-in |
| Max output | 10,000 lm | 18,000 lm |
| Throw | 1260 m | 1130 m |
| Type | Thrower / search | Thrower / search |
| Price | $359.95 at fenixlighting.com, as of Nov 4, 2026 | $449.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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LR36R vs LR80R: how they differ
Size and weight
The Fenix LR36R is the shorter light: 160.7 mm (6.33 in) against 259 mm (10.20 in), a difference of 98.3 mm (38%). At its widest point the Fenix LR36R is 51.8 mm slimmer (56.2 vs 108 mm). The Fenix LR36R is 1143 g lighter (493 g vs 1636 g, with battery).
Brightness and throw
The Fenix LR80R is rated brighter: 18,000 lm maximum vs 10,000 lm for the Fenix LR36R, 80% more. For beam distance the Fenix LR36R reaches further: 1260 m vs 1130 m rated throw (12% more).
Battery
The Fenix LR36R runs on a removable 21700 battery; the Fenix LR80R runs on a built-in rechargeable battery. Only the Fenix LR36R lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix LR36R was $359.95 at fenixlighting.com and the Fenix LR80R $449.95 at fenixlighting.com, so the Fenix LR36R cost $90.00 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 LR36R if you want a shorter light (98.3 mm shorter), a slimmer profile (51.8 mm narrower), less weight (1143 g lighter), longer throw (1260 m vs 1130 m) and a removable cell you can swap. Choose the Fenix LR80R if you want more output (18,000 lm vs 10,000 lm) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LR36R Check price ↗ Fenix LR80R
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LR36R vs LR80R FAQ
Which is smaller, the Fenix LR36R or the Fenix LR80R?
The Fenix LR36R is the shorter light: 160.7 mm (6.33 in) against 259 mm (10.20 in), a difference of 98.3 mm (38%). At its widest point the Fenix LR36R is 51.8 mm slimmer (56.2 vs 108 mm). The Fenix LR36R is 1143 g lighter (493 g vs 1636 g, with battery).
Which is brighter, the Fenix LR36R or the Fenix LR80R?
The Fenix LR80R is rated brighter: 18,000 lm maximum vs 10,000 lm for the Fenix LR36R, 80% more. For beam distance the Fenix LR36R reaches further: 1260 m vs 1130 m rated throw (12% more).
Which is cheaper, the Fenix LR36R or the Fenix LR80R?
When we checked on Nov 4, 2026, the Fenix LR36R was $359.95 at fenixlighting.com and the Fenix LR80R $449.95 at fenixlighting.com, so the Fenix LR36R cost $90.00 less. Prices change often, so check the current price before you buy.
Do the Fenix LR36R and Fenix LR80R use the same battery?
The Fenix LR36R runs on a removable 21700 battery; the Fenix LR80R runs on a built-in rechargeable battery. Only the Fenix LR36R lets you swap in a charged spare.
Compare Fenix LR36R with similar lights
Compare Fenix LR80R with similar lights
More
Sources
- Fenix LR36R: specs from Fenix product page (manufacturer). Price $359.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix LR80R: specs from Fenix product page (manufacturer). Price $449.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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