Fenix APEX 20 vs Olight Seeker 4 Mini size comparison
The Olight Seeker 4 Mini is 16.6 mm (0.65 in) longer than the Fenix APEX 20, and 1.5 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The Olight Seeker 4 Mini is 16.6 mm (0.65 in) longer than the Fenix APEX 20, and 1.5 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Fenix APEX 20 Check price ↗ | Olight Seeker 4 Mini Check price ↗ | |
| Length | 70.4 mm (2.77 in) | 87 mm (3.43 in)+16.6 mm |
| Head / width | 28.5 mm (1.12 in) | 30 mm (1.18 in)+1.5 mm |
| Body | — | 24 mm (0.94 in) |
| Thickness | 13.7 mm (0.54 in) | — |
| Weight | 61 g with battery | 112 g listed |
| Battery | Built-in | Built-in |
| Max output | 760 lm | 1,200 lm |
| Throw | 86 m | 120 m |
| Type | EDC limited edition | EDC not on olight.com (US) |
| Price | $89.95 at fenixlighting.com, as of Nov 4, 2026 | not verified yet |
| Source | fenixlighting.com sourced Listed 28.5 mm wide x 13.7 mm thick; Limited edition | batteryjunction.com sourced |
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APEX 20 vs Seeker 4 Mini: how they differ
Size and weight
The Fenix APEX 20 is the shorter light: 70.4 mm (2.77 in) against 87 mm (3.43 in), a difference of 16.6 mm (19%). At its widest point the Fenix APEX 20 is 1.5 mm slimmer (28.5 vs 30 mm). Weights are published on different bases (Fenix APEX 20: 61 g with battery; Olight Seeker 4 Mini: 112 g listed), so they are not directly comparable.
Brightness and throw
The Olight Seeker 4 Mini is rated brighter: 1,200 lm maximum vs 760 lm for the Fenix APEX 20, 58% more. For beam distance the Olight Seeker 4 Mini reaches further: 120 m vs 86 m rated throw (40% more).
Battery
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Fenix APEX 20 if you want a shorter light (16.6 mm shorter) and a slimmer profile (1.5 mm narrower). Choose the Olight Seeker 4 Mini if you want more output (1,200 lm vs 760 lm) and longer throw (120 m vs 86 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix APEX 20 Check price ↗ Olight Seeker 4 Mini
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APEX 20 vs Seeker 4 Mini FAQ
Which is smaller, the Fenix APEX 20 or the Olight Seeker 4 Mini?
The Fenix APEX 20 is the shorter light: 70.4 mm (2.77 in) against 87 mm (3.43 in), a difference of 16.6 mm (19%). At its widest point the Fenix APEX 20 is 1.5 mm slimmer (28.5 vs 30 mm). Weights are published on different bases (Fenix APEX 20: 61 g with battery; Olight Seeker 4 Mini: 112 g listed), so they are not directly comparable.
Which is brighter, the Fenix APEX 20 or the Olight Seeker 4 Mini?
The Olight Seeker 4 Mini is rated brighter: 1,200 lm maximum vs 760 lm for the Fenix APEX 20, 58% more. For beam distance the Olight Seeker 4 Mini reaches further: 120 m vs 86 m rated throw (40% more).
Do the Fenix APEX 20 and Olight Seeker 4 Mini use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Fenix APEX 20 with similar lights
Compare Olight Seeker 4 Mini with similar lights
More
Sources
- Fenix APEX 20: specs from Fenix product page (manufacturer). Price $89.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Olight Seeker 4 Mini: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
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