Olight i3T EOS vs ThruNite Archer Mini size comparison
The ThruNite Archer Mini is 6 mm (0.24 in) shorter than the Olight i3T EOS, and 2 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The ThruNite Archer Mini is 6 mm (0.24 in) shorter than the Olight i3T EOS, and 2 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Olight i3T EOS Check price ↗ | ThruNite Archer Mini Check price ↗ | |
| Length | 89 mm (3.50 in) | 83 mm (3.27 in)−6 mm |
| Head / width | 15 mm (0.59 in) | 17 mm (0.67 in)+2 mm |
| Body | 15 mm (0.59 in) | 17 mm (0.67 in)+2 mm |
| Weight | 41 g with battery | 34 g listed |
| Battery | AAA | Built-in |
| Max output | 180 lm | 405 lm |
| Throw | — | 87 m |
| Type | EDC | EDC |
| Price | $17.99 at olight.com, as of Nov 4, 2026 | $25.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced Only body diameter listed |
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i3T EOS vs Archer Mini: how they differ
Size and weight
The ThruNite Archer Mini is the shorter light: 83 mm (3.27 in) against 89 mm (3.50 in), a difference of 6 mm (7%). At its widest point the Olight i3T EOS is 2 mm slimmer (15 vs 17 mm). Weights are published on different bases (Olight i3T EOS: 41 g with battery; ThruNite Archer Mini: 34 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite Archer Mini is rated brighter: 405 lm maximum vs 180 lm for the Olight i3T EOS, 125% more.
Battery
The Olight i3T EOS runs on a removable AAA battery; the ThruNite Archer Mini runs on a built-in rechargeable battery. Only the Olight i3T EOS lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Olight i3T EOS was $17.99 at olight.com and the ThruNite Archer Mini $25.99 at batteryjunction.com, so the Olight i3T EOS cost $8.00 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 Olight i3T EOS if you want a slimmer profile (2 mm narrower) and a removable cell you can swap. Choose the ThruNite Archer Mini if you want a shorter light (6 mm shorter), more output (405 lm vs 180 lm) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight i3T EOS Check price ↗ ThruNite Archer Mini
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i3T EOS vs Archer Mini FAQ
Which is smaller, the Olight i3T EOS or the ThruNite Archer Mini?
The ThruNite Archer Mini is the shorter light: 83 mm (3.27 in) against 89 mm (3.50 in), a difference of 6 mm (7%). At its widest point the Olight i3T EOS is 2 mm slimmer (15 vs 17 mm). Weights are published on different bases (Olight i3T EOS: 41 g with battery; ThruNite Archer Mini: 34 g listed), so they are not directly comparable.
Which is brighter, the Olight i3T EOS or the ThruNite Archer Mini?
The ThruNite Archer Mini is rated brighter: 405 lm maximum vs 180 lm for the Olight i3T EOS, 125% more.
Which is cheaper, the Olight i3T EOS or the ThruNite Archer Mini?
When we checked on Nov 4, 2026, the Olight i3T EOS was $17.99 at olight.com and the ThruNite Archer Mini $25.99 at batteryjunction.com, so the Olight i3T EOS cost $8.00 less. Prices change often, so check the current price before you buy.
Do the Olight i3T EOS and ThruNite Archer Mini use the same battery?
The Olight i3T EOS runs on a removable AAA battery; the ThruNite Archer Mini runs on a built-in rechargeable battery. Only the Olight i3T EOS lets you swap in a charged spare.
Compare Olight i3T EOS with similar lights
Compare ThruNite Archer Mini with similar lights
More
Sources
- Olight i3T EOS: specs from Olight product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Price $17.99 from olight.com, checked Nov 4, 2026; prices change often.
- ThruNite Archer Mini: specs from manufacturer published specs as listed by batteryjunction.com. Price $25.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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