Acebeam E75 vs Olight Seeker 3 size comparison

By · Updated · How we compare and rank

The Olight Seeker 3 is 1 mm (0.04 in) shorter than the Acebeam E75, with about the same max diameter/width. It is 33 g lighter (with battery).

Acebeam E75 · 129 mmOlight Seeker 3 · 128 mm

The Olight Seeker 3 is 1 mm (0.04 in) shorter than the Acebeam E75, with about the same max diameter/width. It is 33 g lighter (with battery).

Dimensions

Acebeam E75
Check price ↗
Olight Seeker 3
Check price ↗
Length129 mm (5.08 in)128 mm (5.04 in)−1 mm
Head / width35 mm (1.38 in)35 mm (1.38 in)same
Body28 mm (1.10 in)27.5 mm (1.08 in)−0.5 mm
Weight217 g with battery184 g with battery−33 g
Battery2170021700
Max output4,000 lm3,500 lm
Throw—220 m
TypeEDCEDC
Price$99.90 at acebeam.com, as of Nov 4, 2026$119.95 at olight.com, as of Nov 4, 2026
Sourcebatteryjunction.com sourcedolight.com sourced

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E75 vs Seeker 3: how they differ

Size and weight

The Olight Seeker 3 is the shorter light: 128 mm (5.04 in) against 129 mm (5.08 in), a difference of 1 mm (1%). At their widest points they are about the same (35 vs 35 mm). The Olight Seeker 3 is 33 g lighter (184 g vs 217 g, with battery).

Brightness and throw

The Acebeam E75 is rated brighter: 4,000 lm maximum vs 3,500 lm for the Olight Seeker 3, 14% 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 3 $119.95 at olight.com, so the Acebeam E75 cost $20.05 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 more output (4,000 lm vs 3,500 lm). Choose the Olight Seeker 3 if you want less weight (33 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Acebeam E75 Check price ↗ Olight Seeker 3

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E75 vs Seeker 3 FAQ

Which is smaller, the Acebeam E75 or the Olight Seeker 3?

The Olight Seeker 3 is the shorter light: 128 mm (5.04 in) against 129 mm (5.08 in), a difference of 1 mm (1%). At their widest points they are about the same (35 vs 35 mm). The Olight Seeker 3 is 33 g lighter (184 g vs 217 g, with battery).

Which is brighter, the Acebeam E75 or the Olight Seeker 3?

The Acebeam E75 is rated brighter: 4,000 lm maximum vs 3,500 lm for the Olight Seeker 3, 14% more.

Which is cheaper, the Acebeam E75 or the Olight Seeker 3?

When we checked on Nov 4, 2026, the Acebeam E75 was $99.90 at acebeam.com and the Olight Seeker 3 $119.95 at olight.com, so the Acebeam E75 cost $20.05 less. Prices change often, so check the current price before you buy.

Do the Acebeam E75 and Olight Seeker 3 use the same battery?

Both run on a removable 21700 battery, so spare cells work in either light.

Compare Acebeam E75 with similar lights

E75 vs Seeker 3 ProE75 vs Seeker 4 ProE75 vs TC20 V3E75 vs Seeker 4E75 vs EDC29E75 vs E08R UE

Compare Olight Seeker 3 with similar lights

Seeker 3 vs TC20 V3Seeker 3 vs Seeker 3 ProSeeker 3 vs Seeker 4 ProSeeker 3 vs Seeker 4Seeker 3 vs EDC29Seeker 3 vs E08R UE

More

Acebeam E75 size & specsOlight Seeker 3 size & specsBest 21700 flashlightsBest flashlights under $100All Acebeam lightsAll Olight lightsBest EDC flashlights

Sources

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