Olight Seeker 4 vs Olight Seeker 4 Pro size comparison
The Olight Seeker 4 Pro is 1 mm (0.04 in) shorter than the Olight Seeker 4, with about the same max diameter/width. It is about the same weight (with battery).
The Olight Seeker 4 Pro is 1 mm (0.04 in) shorter than the Olight Seeker 4, with about the same max diameter/width. It is about the same weight (with battery).
Dimensions
| Olight Seeker 4 Check price ↗ | Olight Seeker 4 Pro Check price ↗ | |
| Length | 134 mm (5.28 in) | 133 mm (5.24 in)−1 mm |
| Head / width | 35 mm (1.38 in) | 35 mm (1.38 in)same |
| Body | 28 mm (1.10 in) | 28 mm (1.10 in)same |
| Weight | 205 g with battery | 205 g with batterysame |
| Battery | 21700 | 21700 |
| Max output | 3,100 lm | 4,600 lm |
| Throw | — | 260 m |
| Type | EDC not on olight.com (US) | EDC |
| Price | not verified yet | $139.99 at olight.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 | olight.com sourced |
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Seeker 4 vs Seeker 4 Pro: how they differ
Size and weight
The Olight Seeker 4 Pro is the shorter light: 133 mm (5.24 in) against 134 mm (5.28 in), a difference of 1 mm (1%). At their widest points they are about the same (35 vs 35 mm). They weigh about the same (205 g, with battery).
Brightness and throw
The Olight Seeker 4 Pro is rated brighter: 4,600 lm maximum vs 3,100 lm for the Olight Seeker 4, 48% more.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Olight Seeker 4 Pro if you want more output (4,600 lm vs 3,100 lm). On the specs we track, the Olight Seeker 4 Pro is ahead or level everywhere; the Olight Seeker 4 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 ↗ Olight Seeker 4 Check price ↗ Olight Seeker 4 Pro
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Seeker 4 vs Seeker 4 Pro FAQ
Which is smaller, the Olight Seeker 4 or the Olight Seeker 4 Pro?
The Olight Seeker 4 Pro is the shorter light: 133 mm (5.24 in) against 134 mm (5.28 in), a difference of 1 mm (1%). At their widest points they are about the same (35 vs 35 mm). They weigh about the same (205 g, with battery).
Which is brighter, the Olight Seeker 4 or the Olight Seeker 4 Pro?
The Olight Seeker 4 Pro is rated brighter: 4,600 lm maximum vs 3,100 lm for the Olight Seeker 4, 48% more.
Do the Olight Seeker 4 and Olight Seeker 4 Pro use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Olight Seeker 4 with similar lights
Compare Olight Seeker 4 Pro with similar lights
More
Sources
- Olight Seeker 4: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
- Olight Seeker 4 Pro: specs from Olight product page (manufacturer). Price $139.99 from olight.com, checked Nov 4, 2026; prices change often.
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