Emisar D1K vs Fenix E40R size comparison
The Fenix E40R is 24 mm (0.94 in) longer than the Emisar D1K, with about the same max diameter/width. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix E40R is 24 mm (0.94 in) longer than the Emisar D1K, with about the same max diameter/width. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Emisar D1K Check price ↗ | Fenix E40R Check price ↗ | |
| Length | 114 mm (4.49 in) | 138 mm (5.43 in)+24 mm |
| Head / width | 35 mm (1.38 in) | 35 mm (1.38 in)same |
| Body | 26.5 mm (1.04 in) | 26.4 mm (1.04 in)−0.1 mm |
| Weight | 89 g without battery | 220 g with battery |
| Battery | 21700 | 21700 |
| Max output | 1,200 lm | 5,000 lm |
| Throw | — | 242 m |
| Type | EDC | EDC |
| Price | $39.95 at intl-outdoor.com, as of Nov 4, 2026 | $109.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Pocket thrower; lumens for SFT-25 | fenixlighting.com sourced Listed 35 mm wide x 26.4 mm high |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D1K vs E40R: how they differ
Size and weight
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 138 mm (5.43 in), a difference of 24 mm (17%). At their widest points they are about the same (35 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Fenix E40R: 220 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix E40R is rated brighter: 5,000 lm maximum vs 1,200 lm for the Emisar D1K, 317% 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 Emisar D1K was $39.95 at intl-outdoor.com and the Fenix E40R $109.95 at fenixlighting.com, so the Emisar D1K cost $70.00 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 Emisar D1K if you want a shorter light (24 mm shorter). Choose the Fenix E40R if you want more output (5,000 lm vs 1,200 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D1K Check price ↗ Fenix E40R
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D1K vs E40R FAQ
Which is smaller, the Emisar D1K or the Fenix E40R?
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 138 mm (5.43 in), a difference of 24 mm (17%). At their widest points they are about the same (35 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Fenix E40R: 220 g with battery), so they are not directly comparable.
Which is brighter, the Emisar D1K or the Fenix E40R?
The Fenix E40R is rated brighter: 5,000 lm maximum vs 1,200 lm for the Emisar D1K, 317% more.
Which is cheaper, the Emisar D1K or the Fenix E40R?
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Fenix E40R $109.95 at fenixlighting.com, so the Emisar D1K cost $70.00 less. Prices change often, so check the current price before you buy.
Do the Emisar D1K and Fenix E40R use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Emisar D1K with similar lights
Compare Fenix E40R with similar lights
More
Sources
- Emisar D1K: specs from Emisar product page (manufacturer). Price $39.95 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Fenix E40R: specs from Fenix product page (manufacturer). Price $109.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.