Olight Seeker 3 vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 4.1 mm (0.16 in) longer than the Olight Seeker 3, and 3.3 mm narrower at its widest point. It is 59 g lighter (with battery).
The SureFire G2X Pro is 4.1 mm (0.16 in) longer than the Olight Seeker 3, and 3.3 mm narrower at its widest point. It is 59 g lighter (with battery).
Dimensions
| Olight Seeker 3 Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 128 mm (5.04 in) | 132.1 mm (5.20 in)+4.1 mm |
| Head / width | 35 mm (1.38 in) | 31.8 mm (1.25 in)−3.3 mm |
| Body | 27.5 mm (1.08 in) | 25.4 mm (1.00 in)−2.1 mm |
| Weight | 184 g with battery | 124.7 g with batteries−59 g |
| Battery | 21700 | 2x CR123A |
| Max output | 3,500 lm | 600 lm |
| Throw | 220 m | — |
| Type | EDC | EDC |
| Price | $119.95 at olight.com, as of Nov 4, 2026 | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | olight.com sourced | batteryjunction.com sourced |
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Seeker 3 vs G2X Pro: how they differ
Size and weight
The Olight Seeker 3 is the shorter light: 128 mm (5.04 in) against 132.1 mm (5.20 in), a difference of 4.1 mm (3%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 59 g lighter (124.7 g vs 184 g, with battery).
Brightness and throw
The Olight Seeker 3 is rated brighter: 3,500 lm maximum vs 600 lm for the SureFire G2X Pro, 483% more.
Battery
The Olight Seeker 3 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 Olight Seeker 3 was $119.95 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $20.95 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 Olight Seeker 3 if you want a shorter light (4.1 mm shorter) and more output (3,500 lm vs 600 lm). Choose the SureFire G2X Pro if you want a slimmer profile (3.3 mm narrower) and less weight (59 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight Seeker 3 Check price ↗ SureFire G2X Pro
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Seeker 3 vs G2X Pro FAQ
Which is smaller, the Olight Seeker 3 or the SureFire G2X Pro?
The Olight Seeker 3 is the shorter light: 128 mm (5.04 in) against 132.1 mm (5.20 in), a difference of 4.1 mm (3%). At its widest point the SureFire G2X Pro is 3.3 mm slimmer (31.8 vs 35 mm). The SureFire G2X Pro is 59 g lighter (124.7 g vs 184 g, with battery).
Which is brighter, the Olight Seeker 3 or the SureFire G2X Pro?
The Olight Seeker 3 is rated brighter: 3,500 lm maximum vs 600 lm for the SureFire G2X Pro, 483% more.
Which is cheaper, the Olight Seeker 3 or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Olight Seeker 3 was $119.95 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $20.95 less. Prices change often, so check the current price before you buy.
Do the Olight Seeker 3 and SureFire G2X Pro use the same battery?
The Olight Seeker 3 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 3 with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Olight Seeker 3: specs from Olight product page (manufacturer). Drawing: outline from published specs. Price $119.95 from olight.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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