Olight i3T EOS size & dimensions

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Olight i3T EOS shown at true scale next to an AA battery. Add another light to compare.

Olight i3T EOS · 89 mmAA battery · 50.5 mmAA

Specs

Olight i3T EOS
Check price ↗
Length89 mm (3.50 in)
Head / width15 mm (0.59 in)
Body15 mm (0.59 in)
Weight41 g with battery
BatteryAAA
Max output180 lm
Throw—
TypeEDC
Price$17.99 at olight.com, as of Nov 4, 2026
Sourcebatteryjunction.com sourced

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Size in everyday terms

The Olight i3T EOS is 89 mm (3.50 in) long and 15 mm (0.59 in) across at its widest point. That is about the length of a credit card's long side (85.6 mm), or about 1.8 AA batteries end to end (50.5 mm each). Its widest point is 9.3 mm narrower than a US quarter (24.26 mm).

How it ranks

Among the 136 EDC lights in our catalog, the Olight i3T EOS is the 23rd shortest, 116th brightest of 118 with a published output.

Battery, output and weight

The Olight i3T EOS runs on a removable AAA battery. The manufacturer rates its maximum output at 180 lm. Listed weight is 41 g (with battery). When we checked on Nov 4, 2026, it was $17.99 at olight.com.

Featured in: Best AAA flashlights (#3).

Olight i3T EOS vs…

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i3T EOS FAQ

How big is the Olight i3T EOS?

The Olight i3T EOS is 89 mm (3.50 in) long and 15 mm (0.59 in) across at its widest point. That is about the length of a credit card's long side (85.6 mm), or about 1.8 AA batteries end to end (50.5 mm each). Its widest point is 9.3 mm narrower than a US quarter (24.26 mm).

What battery does the Olight i3T EOS use?

The Olight i3T EOS runs on a removable AAA battery.

How bright is the Olight i3T EOS?

The manufacturer rates the Olight i3T EOS at 180 lm maximum output.

More Olight lights

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See also: Best EDC flashlights

Sources

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