Emisar D4K vs Fenix E35R size comparison
The Fenix E35R is 17 mm (0.67 in) longer than the Emisar D4K, and 1.5 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix E35R is 17 mm (0.67 in) longer than the Emisar D4K, and 1.5 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Emisar D4K Check price ↗ | Fenix E35R Check price ↗ | |
| Length | 103 mm (4.06 in) | 120 mm (4.72 in)+17 mm |
| Head / width | 28 mm (1.10 in) | 26.5 mm (1.04 in)−1.5 mm |
| Body | 26.5 mm (1.04 in) | 24.8 mm (0.98 in)−1.7 mm |
| Weight | 58 g without battery | 148 g with battery |
| Battery | 21700 | 21700 |
| Max output | — | 3,100 lm |
| Throw | — | 260 m |
| Type | EDC | EDC |
| Price | $39.69 at intl-outdoor.com, as of Nov 4, 2026 | $79.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Output depends on LED option | fenixlighting.com sourced |
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D4K vs E35R: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 120 mm (4.72 in), a difference of 17 mm (14%). At its widest point the Fenix E35R is 1.5 mm slimmer (26.5 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Fenix E35R: 148 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix E35R is rated at 3,100 lm; we have no published maximum for the Emisar D4K. Output for the Emisar D4K depends on the LED option chosen.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Fenix E35R $79.95 at fenixlighting.com, so the Emisar D4K cost $40.26 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 Emisar D4K if you want a shorter light (17 mm shorter). Choose the Fenix E35R if you want a slimmer profile (1.5 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D4K Check price ↗ Fenix E35R
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D4K vs E35R FAQ
Which is smaller, the Emisar D4K or the Fenix E35R?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 120 mm (4.72 in), a difference of 17 mm (14%). At its widest point the Fenix E35R is 1.5 mm slimmer (26.5 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Fenix E35R: 148 g with battery), so they are not directly comparable.
Which is cheaper, the Emisar D4K or the Fenix E35R?
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Fenix E35R $79.95 at fenixlighting.com, so the Emisar D4K cost $40.26 less. Prices change often, so check the current price before you buy.
Do the Emisar D4K and Fenix E35R use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Emisar D4K with similar lights
Compare Fenix E35R with similar lights
More
Sources
- Emisar D4K: specs from Emisar product page (manufacturer). Price $39.69 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Fenix E35R: specs from Fenix product page (manufacturer). Price $79.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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