Emisar D4K vs Emisar D4V2 size comparison
The Emisar D4V2 is 8 mm (0.31 in) shorter than the Emisar D4K, with about the same max diameter/width. It is about the same weight (without battery).
The Emisar D4V2 is 8 mm (0.31 in) shorter than the Emisar D4K, with about the same max diameter/width. It is about the same weight (without battery).
Dimensions
| Emisar D4K Check price ↗ | Emisar D4V2 Check price ↗ | |
| Length | 103 mm (4.06 in) | 95 mm (3.74 in)−8 mm |
| Head / width | 28 mm (1.10 in) | 28 mm (1.10 in)same |
| Body | 26.5 mm (1.04 in) | 24 mm (0.94 in)−2.5 mm |
| Weight | 58 g without battery | 58 g without batterysame |
| Battery | 21700 | 18650 |
| Max output | — | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $39.69 at intl-outdoor.com, as of Nov 4, 2026 | $35.68 at intl-outdoor.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Output depends on LED option | intl-outdoor.com sourced Output depends on LED option |
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D4K vs D4V2: how they differ
Size and weight
The Emisar D4V2 is the shorter light: 95 mm (3.74 in) against 103 mm (4.06 in), a difference of 8 mm (8%). At their widest points they are about the same (28 vs 28 mm). They weigh about the same (58 g, without battery).
Brightness and throw
Output for the Emisar D4K and Emisar D4V2 depends on the LED option chosen.
Battery
The Emisar D4K runs on a removable 21700 battery; the Emisar D4V2 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Emisar D4V2 $35.68 at intl-outdoor.com, so the Emisar D4V2 cost $4.01 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 D4V2 if you want a shorter light (8 mm shorter). On the specs we track, the Emisar D4V2 is ahead or level everywhere; the Emisar D4K 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 D4K Check price ↗ Emisar D4V2
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
D4K vs D4V2 FAQ
Which is smaller, the Emisar D4K or the Emisar D4V2?
The Emisar D4V2 is the shorter light: 95 mm (3.74 in) against 103 mm (4.06 in), a difference of 8 mm (8%). At their widest points they are about the same (28 vs 28 mm). They weigh about the same (58 g, without battery).
Which is cheaper, the Emisar D4K or the Emisar D4V2?
When we checked on Nov 4, 2026, the Emisar D4K was $39.69 at intl-outdoor.com and the Emisar D4V2 $35.68 at intl-outdoor.com, so the Emisar D4V2 cost $4.01 less. Prices change often, so check the current price before you buy.
Do the Emisar D4K and Emisar D4V2 use the same battery?
The Emisar D4K runs on a removable 21700 battery; the Emisar D4V2 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Emisar D4K with similar lights
Compare Emisar D4V2 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.
- Emisar D4V2: specs from Emisar product page (manufacturer). Price $35.68 from intl-outdoor.com, checked Nov 4, 2026; prices change often.
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