Emisar D1K vs Emisar D4K size comparison
The Emisar D4K is 11 mm (0.43 in) shorter than the Emisar D1K, and 7 mm narrower at its widest point. It is 31 g lighter (without battery).
The Emisar D4K is 11 mm (0.43 in) shorter than the Emisar D1K, and 7 mm narrower at its widest point. It is 31 g lighter (without battery).
Dimensions
| Emisar D1K Check price ↗ | Emisar D4K Check price ↗ | |
| Length | 114 mm (4.49 in) | 103 mm (4.06 in)−11 mm |
| Head / width | 35 mm (1.38 in) | 28 mm (1.10 in)−7 mm |
| Body | 26.5 mm (1.04 in) | 26.5 mm (1.04 in)same |
| Weight | 89 g without battery | 58 g without battery−31 g |
| Battery | 21700 | 21700 |
| Max output | 1,200 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $39.95 at intl-outdoor.com, as of Nov 4, 2026 | $39.69 at intl-outdoor.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Pocket thrower; lumens for SFT-25 | intl-outdoor.com sourced Output depends on LED option |
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D1K vs D4K: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 114 mm (4.49 in), a difference of 11 mm (10%). At its widest point the Emisar D4K is 7 mm slimmer (28 vs 35 mm). The Emisar D4K is 31 g lighter (58 g vs 89 g, without battery).
Brightness and throw
The Emisar D1K 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
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 Emisar D4K $39.69 at intl-outdoor.com. 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 (11 mm shorter), a slimmer profile (7 mm narrower) and less weight (31 g lighter). On the specs we track, the Emisar D4K is ahead or level everywhere; the Emisar D1K makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D1K Check price ↗ Emisar D4K
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D1K vs D4K FAQ
Which is smaller, the Emisar D1K or the Emisar D4K?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 114 mm (4.49 in), a difference of 11 mm (10%). At its widest point the Emisar D4K is 7 mm slimmer (28 vs 35 mm). The Emisar D4K is 31 g lighter (58 g vs 89 g, without battery).
Which is cheaper, the Emisar D1K or the Emisar D4K?
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the Emisar D4K $39.69 at intl-outdoor.com. Prices change often, so check the current price before you buy.
Do the Emisar D1K and Emisar D4K 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 Emisar D4K 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.
- Emisar D4K: specs from Emisar product page (manufacturer). Price $39.69 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
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