Fenix E40R vs Fenix LD35R size comparison
The Fenix LD35R is 1.6 mm (0.06 in) shorter than the Fenix E40R, and 1 mm narrower at its widest point. It is 35 g lighter (with battery).
The Fenix LD35R is 1.6 mm (0.06 in) shorter than the Fenix E40R, and 1 mm narrower at its widest point. It is 35 g lighter (with battery).
Dimensions
| Fenix E40R Check price ↗ | Fenix LD35R Check price ↗ | |
| Length | 138 mm (5.43 in) | 136.4 mm (5.37 in)−1.6 mm |
| Head / width | 35 mm (1.38 in) | 34 mm (1.34 in)−1 mm |
| Body | 26.4 mm (1.04 in) | 25.4 mm (1.00 in)−1 mm |
| Weight | 220 g with battery | 185 g with battery−35 g |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 5,000 lm | 1,800 lm |
| Throw | 242 m | 337 m |
| Type | EDC | EDC |
| Price | $109.95 at fenixlighting.com, as of Nov 4, 2026 | $89.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Listed 35 mm wide x 26.4 mm high | fenixlighting.com sourced |
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E40R vs LD35R: how they differ
Size and weight
The Fenix LD35R is the shorter light: 136.4 mm (5.37 in) against 138 mm (5.43 in), a difference of 1.6 mm (1%). At its widest point the Fenix LD35R is 1 mm slimmer (34 vs 35 mm). The Fenix LD35R is 35 g lighter (185 g vs 220 g, with battery).
Brightness and throw
The Fenix E40R is rated brighter: 5,000 lm maximum vs 1,800 lm for the Fenix LD35R, 178% more. For beam distance the Fenix LD35R reaches further: 337 m vs 242 m rated throw (39% more).
Battery
The Fenix E40R runs on a removable 21700 battery; the Fenix LD35R runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix E40R was $109.95 at fenixlighting.com and the Fenix LD35R $89.95 at fenixlighting.com, so the Fenix LD35R cost $20.00 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 E40R if you want more output (5,000 lm vs 1,800 lm). Choose the Fenix LD35R if you want less weight (35 g lighter) and longer throw (337 m vs 242 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E40R Check price ↗ Fenix LD35R
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E40R vs LD35R FAQ
Which is smaller, the Fenix E40R or the Fenix LD35R?
The Fenix LD35R is the shorter light: 136.4 mm (5.37 in) against 138 mm (5.43 in), a difference of 1.6 mm (1%). At its widest point the Fenix LD35R is 1 mm slimmer (34 vs 35 mm). The Fenix LD35R is 35 g lighter (185 g vs 220 g, with battery).
Which is brighter, the Fenix E40R or the Fenix LD35R?
The Fenix E40R is rated brighter: 5,000 lm maximum vs 1,800 lm for the Fenix LD35R, 178% more. For beam distance the Fenix LD35R reaches further: 337 m vs 242 m rated throw (39% more).
Which is cheaper, the Fenix E40R or the Fenix LD35R?
When we checked on Nov 4, 2026, the Fenix E40R was $109.95 at fenixlighting.com and the Fenix LD35R $89.95 at fenixlighting.com, so the Fenix LD35R cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Fenix E40R and Fenix LD35R use the same battery?
The Fenix E40R runs on a removable 21700 battery; the Fenix LD35R runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix E40R with similar lights
Compare Fenix LD35R with similar lights
More
Sources
- Fenix E40R: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $109.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix LD35R: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $89.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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