Emisar D4K vs Nitecore EDC15 size comparison
The Nitecore EDC15 is 8 mm (0.31 in) longer than the Emisar D4K, with about the same max diameter/width. Weights are published on different bases (listed vs without battery), so compare them with care.
The Nitecore EDC15 is 8 mm (0.31 in) longer than the Emisar D4K, with about the same max diameter/width. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Emisar D4K Check price ↗ | Nitecore EDC15 Check price ↗ | |
| Length | 103 mm (4.06 in) | 111 mm (4.37 in)+8 mm |
| Head / width | 28 mm (1.10 in) | 28 mm (1.10 in)same |
| Body | 26.5 mm (1.04 in) | — |
| Thickness | — | 16 mm (0.63 in) |
| Weight | 58 g without battery | 85 g listed |
| Battery | 21700 | Built-in |
| Max output | — | 1,200 lm |
| Throw | — | 208 m |
| Type | EDC | EDC |
| Price | $39.69 at intl-outdoor.com, as of Nov 4, 2026 | $75.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Output depends on LED option | batteryjunction.com sourced |
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D4K vs EDC15: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 111 mm (4.37 in), a difference of 8 mm (7%). At their widest points they are about the same (28 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Nitecore EDC15: 85 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore EDC15 is rated at 1,200 lm; we have no published maximum for the Emisar D4K. Output for the Emisar D4K depends on the LED option chosen.
Battery
The Emisar D4K runs on a removable 21700 battery; the Nitecore EDC15 runs on a built-in rechargeable battery. Only the Emisar D4K lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Nitecore EDC15 $75.95 at batteryjunction.com, so the Emisar D4K cost $36.26 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Emisar D4K if you want a shorter light (8 mm shorter) and a removable cell you can swap. Choose the Nitecore EDC15 if you want 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 ↗ Emisar D4K Check price ↗ Nitecore EDC15
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D4K vs EDC15 FAQ
Which is smaller, the Emisar D4K or the Nitecore EDC15?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 111 mm (4.37 in), a difference of 8 mm (7%). At their widest points they are about the same (28 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Nitecore EDC15: 85 g listed), so they are not directly comparable.
Which is cheaper, the Emisar D4K or the Nitecore EDC15?
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Nitecore EDC15 $75.95 at batteryjunction.com, so the Emisar D4K cost $36.26 less. Prices change often, so check the current price before you buy.
Do the Emisar D4K and Nitecore EDC15 use the same battery?
The Emisar D4K runs on a removable 21700 battery; the Nitecore EDC15 runs on a built-in rechargeable battery. Only the Emisar D4K lets you swap in a charged spare.
Compare Emisar D4K with similar lights
Compare Nitecore EDC15 with similar lights
More
Sources
- Emisar D4K: specs from Emisar product page (manufacturer). Drawing: outline from published specs. Price $39.69 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Nitecore EDC15: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $75.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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