Emisar D1K vs Nitecore EDC09 size comparison
The Nitecore EDC09 is 6 mm (0.24 in) shorter than the Emisar D1K, and 1 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The Nitecore EDC09 is 6 mm (0.24 in) shorter than the Emisar D1K, and 1 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Emisar D1K Check price ↗ | Nitecore EDC09 Check price ↗ | |
| Length | 114 mm (4.49 in) | 108 mm (4.25 in)−6 mm |
| Head / width | 35 mm (1.38 in) | 34 mm (1.34 in)−1 mm |
| Body | 26.5 mm (1.04 in) | — |
| Thickness | — | 24 mm (0.94 in) |
| Weight | 89 g without battery | 114 g listed |
| Battery | 21700 | Built-in |
| Max output | 1,200 lm | 1,600 lm |
| Throw | — | 153 m |
| Type | EDC | EDC |
| Price | $39.95 at intl-outdoor.com, as of Nov 4, 2026 | $69.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Pocket thrower; lumens for SFT-25 | batteryjunction.com sourced |
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D1K vs EDC09: how they differ
Size and weight
The Nitecore EDC09 is the shorter light: 108 mm (4.25 in) against 114 mm (4.49 in), a difference of 6 mm (5%). At its widest point the Nitecore EDC09 is 1 mm slimmer (34 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Nitecore EDC09: 114 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore EDC09 is rated brighter: 1,600 lm maximum vs 1,200 lm for the Emisar D1K, 33% more.
Battery
The Emisar D1K runs on a removable 21700 battery; the Nitecore EDC09 runs on a built-in rechargeable battery. Only the Emisar D1K lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Nitecore EDC09 $69.95 at batteryjunction.com, so the Emisar D1K cost $30.00 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 D1K if you want a removable cell you can swap. Choose the Nitecore EDC09 if you want a shorter light (6 mm shorter), more output (1,600 lm vs 1,200 lm) and 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 D1K Check price ↗ Nitecore EDC09
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D1K vs EDC09 FAQ
Which is smaller, the Emisar D1K or the Nitecore EDC09?
The Nitecore EDC09 is the shorter light: 108 mm (4.25 in) against 114 mm (4.49 in), a difference of 6 mm (5%). At its widest point the Nitecore EDC09 is 1 mm slimmer (34 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; Nitecore EDC09: 114 g listed), so they are not directly comparable.
Which is brighter, the Emisar D1K or the Nitecore EDC09?
The Nitecore EDC09 is rated brighter: 1,600 lm maximum vs 1,200 lm for the Emisar D1K, 33% more.
Which is cheaper, the Emisar D1K or the Nitecore EDC09?
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Nitecore EDC09 $69.95 at batteryjunction.com, so the Emisar D1K cost $30.00 less. Prices change often, so check the current price before you buy.
Do the Emisar D1K and Nitecore EDC09 use the same battery?
The Emisar D1K runs on a removable 21700 battery; the Nitecore EDC09 runs on a built-in rechargeable battery. Only the Emisar D1K lets you swap in a charged spare.
Compare Emisar D1K with similar lights
Compare Nitecore EDC09 with similar lights
More
Sources
- Emisar D1K: specs from Emisar product page (manufacturer). Drawing: outline from published specs. Price $39.95 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
- Nitecore EDC09: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $69.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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