Acebeam E75 vs Olight Seeker Ultra size comparison
The Olight Seeker Ultra is 9 mm (0.35 in) longer than the Acebeam E75, with about the same max diameter/width. It is 3 g heavier (with battery).
The Olight Seeker Ultra is 9 mm (0.35 in) longer than the Acebeam E75, with about the same max diameter/width. It is 3 g heavier (with battery).
Dimensions
| Acebeam E75 Check price ↗ | Olight Seeker Ultra Check price ↗ | |
| Length | 129 mm (5.08 in) | 138 mm (5.43 in)+9 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 | 217 g with battery | 220 g with battery+3 g |
| Battery | 21700 | 21700 |
| Max output | 4,000 lm | 4,800 lm |
| Throw | — | 265 m |
| Type | EDC | EDC |
| Price | $99.90 at acebeam.com, as of Nov 4, 2026 | $169.99 at olight.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | olight.com sourced Body diameter and throw from Battery Junction |
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E75 vs Seeker Ultra: how they differ
Size and weight
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 138 mm (5.43 in), a difference of 9 mm (7%). At their widest points they are about the same (35 vs 35 mm). The Acebeam E75 is 3 g lighter (217 g vs 220 g, with battery).
Brightness and throw
The Olight Seeker Ultra is rated brighter: 4,800 lm maximum vs 4,000 lm for the Acebeam E75, 20% more.
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Olight Seeker Ultra $169.99 at olight.com, so the Acebeam E75 cost $70.09 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 Acebeam E75 if you want a shorter light (9 mm shorter). Choose the Olight Seeker Ultra if you want more output (4,800 lm vs 4,000 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam E75 Check price ↗ Olight Seeker Ultra
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E75 vs Seeker Ultra FAQ
Which is smaller, the Acebeam E75 or the Olight Seeker Ultra?
The Acebeam E75 is the shorter light: 129 mm (5.08 in) against 138 mm (5.43 in), a difference of 9 mm (7%). At their widest points they are about the same (35 vs 35 mm). The Acebeam E75 is 3 g lighter (217 g vs 220 g, with battery).
Which is brighter, the Acebeam E75 or the Olight Seeker Ultra?
The Olight Seeker Ultra is rated brighter: 4,800 lm maximum vs 4,000 lm for the Acebeam E75, 20% more.
Which is cheaper, the Acebeam E75 or the Olight Seeker Ultra?
When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Olight Seeker Ultra $169.99 at olight.com, so the Acebeam E75 cost $70.09 less. Prices change often, so check the current price before you buy.
Do the Acebeam E75 and Olight Seeker Ultra use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Acebeam E75 with similar lights
Compare Olight Seeker Ultra with similar lights
More
Sources
- Acebeam E75: specs from Acebeam product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Price $99.90 from acebeam.com, checked Nov 4, 2026; prices change often.
- Olight Seeker Ultra: specs from Olight product page (manufacturer). Price $169.99 from olight.com, checked Nov 4, 2026; prices change often.
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