Fenix LD36R vs Fenix PD40R V3.0 size comparison
The Fenix PD40R V3.0 is 3.4 mm (0.13 in) longer than the Fenix LD36R, and 6 mm narrower at its widest point. It is 33 g lighter (with battery).
The Fenix PD40R V3.0 is 3.4 mm (0.13 in) longer than the Fenix LD36R, and 6 mm narrower at its widest point. It is 33 g lighter (with battery).
Dimensions
| Fenix LD36R Check price ↗ | Fenix PD40R V3.0 Check price ↗ | |
| Length | 139.6 mm (5.50 in) | 143 mm (5.63 in)+3.4 mm |
| Head / width | 40 mm (1.57 in) | 34 mm (1.34 in)−6 mm |
| Body | 26.5 mm (1.04 in) | 26 mm (1.02 in)−0.5 mm |
| Weight | 231 g with battery | 198 g with battery−33 g |
| Battery | 21700 | 21700 |
| Max output | 3,600 lm | 3,000 lm |
| Throw | 385 m | 500 m |
| Type | EDC | EDC |
| Price | from $114.95 at fenixlighting.com, as of Nov 4, 2026 | $119.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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LD36R vs PD40R V3.0: how they differ
Size and weight
The Fenix LD36R is the shorter light: 139.6 mm (5.50 in) against 143 mm (5.63 in), a difference of 3.4 mm (2%). At its widest point the Fenix PD40R V3.0 is 6 mm slimmer (34 vs 40 mm). The Fenix PD40R V3.0 is 33 g lighter (198 g vs 231 g, with battery).
Brightness and throw
The Fenix LD36R is rated brighter: 3,600 lm maximum vs 3,000 lm for the Fenix PD40R V3.0, 20% more. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 385 m rated throw (30% more).
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Fenix LD36R was from $114.95 at fenixlighting.com and the Fenix PD40R V3.0 $119.95 at fenixlighting.com, so the Fenix LD36R cost $5.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix LD36R if you want a shorter light (3.4 mm shorter) and more output (3,600 lm vs 3,000 lm). Choose the Fenix PD40R V3.0 if you want a slimmer profile (6 mm narrower), less weight (33 g lighter) and longer throw (500 m vs 385 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix LD36R Check price ↗ Fenix PD40R V3.0
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LD36R vs PD40R V3.0 FAQ
Which is smaller, the Fenix LD36R or the Fenix PD40R V3.0?
The Fenix LD36R is the shorter light: 139.6 mm (5.50 in) against 143 mm (5.63 in), a difference of 3.4 mm (2%). At its widest point the Fenix PD40R V3.0 is 6 mm slimmer (34 vs 40 mm). The Fenix PD40R V3.0 is 33 g lighter (198 g vs 231 g, with battery).
Which is brighter, the Fenix LD36R or the Fenix PD40R V3.0?
The Fenix LD36R is rated brighter: 3,600 lm maximum vs 3,000 lm for the Fenix PD40R V3.0, 20% more. For beam distance the Fenix PD40R V3.0 reaches further: 500 m vs 385 m rated throw (30% more).
Which is cheaper, the Fenix LD36R or the Fenix PD40R V3.0?
When we checked on Nov 4, 2026, the Fenix LD36R was from $114.95 at fenixlighting.com and the Fenix PD40R V3.0 $119.95 at fenixlighting.com, so the Fenix LD36R cost $5.00 less. Prices change often, so check the current price before you buy.
Do the Fenix LD36R and Fenix PD40R V3.0 use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Fenix LD36R with similar lights
Compare Fenix PD40R V3.0 with similar lights
More
Sources
- Fenix LD36R: specs from Fenix product page (manufacturer). Price from $114.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix PD40R V3.0: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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