Emisar D1K vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 18.1 mm (0.71 in) longer than the Emisar D1K, and 3.3 mm narrower at its widest point. Weights are published on different bases (with batteries vs without battery), so compare them with care.
The SureFire G2X Pro is 18.1 mm (0.71 in) longer than the Emisar D1K, and 3.3 mm narrower at its widest point. Weights are published on different bases (with batteries vs without battery), so compare them with care.
Dimensions
| Emisar D1K Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 114 mm (4.49 in) | 132.1 mm (5.20 in)+18.1 mm |
| Head / width | 35 mm (1.38 in) | 31.8 mm (1.25 in)−3.3 mm |
| Body | 26.5 mm (1.04 in) | 25.4 mm (1.00 in)−1.1 mm |
| Weight | 89 g without battery | 124.7 g with batteries |
| Battery | 21700 | 2x CR123A |
| Max output | 1,200 lm | 600 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $39.95 at intl-outdoor.com, as of Nov 4, 2026 | $99.00 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 G2X Pro: how they differ
Size and weight
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 132.1 mm (5.20 in), a difference of 18.1 mm (14%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; SureFire G2X Pro: 124.7 g with batteries), so they are not directly comparable.
Brightness and throw
The Emisar D1K is rated brighter: 1,200 lm maximum vs 600 lm for the SureFire G2X Pro, 100% more.
Battery
The Emisar D1K runs on a removable 21700 battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a CR123A about 17 × 34.5 mm (nominal).
Price
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the Emisar D1K cost $59.05 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 D1K if you want a shorter light (18.1 mm shorter) and more output (1,200 lm vs 600 lm). Choose the SureFire G2X Pro if you want a slimmer profile (3.3 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Emisar D1K Check price ↗ SureFire G2X Pro
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D1K vs G2X Pro FAQ
Which is smaller, the Emisar D1K or the SureFire G2X Pro?
The Emisar D1K is the shorter light: 114 mm (4.49 in) against 132.1 mm (5.20 in), a difference of 18.1 mm (14%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). Weights are published on different bases (Emisar D1K: 89 g without battery; SureFire G2X Pro: 124.7 g with batteries), so they are not directly comparable.
Which is brighter, the Emisar D1K or the SureFire G2X Pro?
The Emisar D1K is rated brighter: 1,200 lm maximum vs 600 lm for the SureFire G2X Pro, 100% more.
Which is cheaper, the Emisar D1K or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Emisar D1K was $39.95 at intl-outdoor.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the Emisar D1K cost $59.05 less. Prices change often, so check the current price before you buy.
Do the Emisar D1K and SureFire G2X Pro use the same battery?
The Emisar D1K runs on a removable 21700 battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a CR123A about 17 × 34.5 mm (nominal).
Compare Emisar D1K with similar lights
Compare SureFire G2X Pro 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.
- SureFire G2X 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. Price $99.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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