Olight Seeker 4 vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 1.9 mm (0.08 in) shorter than the Olight Seeker 4, and 3.3 mm narrower at its widest point. It is 80 g lighter (with battery).
The SureFire G2X Pro is 1.9 mm (0.08 in) shorter than the Olight Seeker 4, and 3.3 mm narrower at its widest point. It is 80 g lighter (with battery).
Dimensions
| Olight Seeker 4 Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 134 mm (5.28 in) | 132.1 mm (5.20 in)−1.9 mm |
| Head / width | 35 mm (1.38 in) | 31.8 mm (1.25 in)−3.3 mm |
| Body | 28 mm (1.10 in) | 25.4 mm (1.00 in)−2.6 mm |
| Weight | 205 g with battery | 124.7 g with batteries−80 g |
| Battery | 21700 | 2x CR123A |
| Max output | 3,100 lm | 600 lm |
| Throw | — | — |
| Type | EDC not on olight.com (US) | EDC |
| Price | not verified yet | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Retailer lists 400 m throw, which conflicts with Olight figures for the series; throw omitted | batteryjunction.com sourced |
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Seeker 4 vs G2X Pro: how they differ
Size and weight
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 134 mm (5.28 in), a difference of 1.9 mm (1%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 80 g lighter (124.7 g vs 205 g, with battery).
Brightness and throw
The Olight Seeker 4 is rated brighter: 3,100 lm maximum vs 600 lm for the SureFire G2X Pro, 417% more.
Battery
The Olight Seeker 4 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).
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Olight Seeker 4 if you want more output (3,100 lm vs 600 lm). Choose the SureFire G2X Pro if you want a slimmer profile (3.3 mm narrower) and less weight (80 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight Seeker 4 Check price ↗ SureFire G2X Pro
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Seeker 4 vs G2X Pro FAQ
Which is smaller, the Olight Seeker 4 or the SureFire G2X Pro?
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 134 mm (5.28 in), a difference of 1.9 mm (1%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 80 g lighter (124.7 g vs 205 g, with battery).
Which is brighter, the Olight Seeker 4 or the SureFire G2X Pro?
The Olight Seeker 4 is rated brighter: 3,100 lm maximum vs 600 lm for the SureFire G2X Pro, 417% more.
Do the Olight Seeker 4 and SureFire G2X Pro use the same battery?
The Olight Seeker 4 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 Olight Seeker 4 with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Olight Seeker 4: 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.
- 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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