Emisar D4K vs Nitecore MT2C Pro size comparison
The Nitecore MT2C Pro is 15 mm (0.59 in) longer than the Emisar D4K, 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 MT2C Pro is 15 mm (0.59 in) longer than the Emisar D4K, 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 D4K Check price ↗ | Nitecore MT2C Pro Check price ↗ | |
| Length | 103 mm (4.06 in) | 118 mm (4.65 in)+15 mm |
| Head / width | 28 mm (1.10 in) | 27 mm (1.06 in)−1 mm |
| Body | 26.5 mm (1.04 in) | 21 mm (0.83 in)−5.5 mm |
| Weight | 58 g without battery | 64 g listed |
| Battery | 21700 | 18650 |
| Max output | — | 1,800 lm |
| Throw | — | 520 m |
| Type | EDC | EDC |
| Price | $39.69 at intl-outdoor.com, as of Nov 4, 2026 | not verified yet |
| Source | intl-outdoor.com sourced Output depends on LED option | batteryjunction.com sourced |
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D4K vs MT2C Pro: how they differ
Size and weight
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 118 mm (4.65 in), a difference of 15 mm (13%). At its widest point the Nitecore MT2C Pro is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Nitecore MT2C Pro: 64 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore MT2C Pro is rated at 1,800 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 MT2C Pro runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
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 (15 mm shorter). On the specs we track, the Emisar D4K is ahead or level everywhere; the Nitecore MT2C Pro 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 ↗ Nitecore MT2C Pro
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D4K vs MT2C Pro FAQ
Which is smaller, the Emisar D4K or the Nitecore MT2C Pro?
The Emisar D4K is the shorter light: 103 mm (4.06 in) against 118 mm (4.65 in), a difference of 15 mm (13%). At its widest point the Nitecore MT2C Pro is 1 mm slimmer (27 vs 28 mm). Weights are published on different bases (Emisar D4K: 58 g without battery; Nitecore MT2C Pro: 64 g listed), so they are not directly comparable.
Do the Emisar D4K and Nitecore MT2C Pro use the same battery?
The Emisar D4K runs on a removable 21700 battery; the Nitecore MT2C Pro 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 Nitecore MT2C Pro 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 MT2C Pro: 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. No verified price yet.
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