Nitecore MT1A Pro vs Olight i3T EOS size comparison
The Olight i3T EOS is 4 mm (0.16 in) shorter than the Nitecore MT1A Pro, and 4.8 mm narrower at its widest point. It is 11 g lighter (with battery).
The Olight i3T EOS is 4 mm (0.16 in) shorter than the Nitecore MT1A Pro, and 4.8 mm narrower at its widest point. It is 11 g lighter (with battery).
Dimensions
| Nitecore MT1A Pro Check price ↗ | Olight i3T EOS Check price ↗ | |
| Length | 93 mm (3.66 in) | 89 mm (3.50 in)−4 mm |
| Head / width | 19.8 mm (0.78 in) | 15 mm (0.59 in)−4.8 mm |
| Body | 17.3 mm (0.68 in) | 15 mm (0.59 in)−2.3 mm |
| Tail | 19.6 mm (0.77 in) | — |
| Weight | 52 g with battery | 41 g with battery−11 g |
| Battery | 14500 / AA | AAA |
| Max output | 800 lm | 180 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $41.95 at nitecorestore.com, as of Nov 4, 2026 | $17.99 at olight.com, as of Nov 4, 2026 |
| Source | nitecorestore.com sourced Listed 3.66" / head 0.78" / tube 0.68" / tail 0.77", 1.83 oz; converted | batteryjunction.com sourced |
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MT1A Pro vs i3T EOS: how they differ
Size and weight
The Olight i3T EOS is the shorter light: 89 mm (3.50 in) against 93 mm (3.66 in), a difference of 4 mm (4%). At its widest point the Olight i3T EOS is 4.8 mm slimmer (15 vs 19.8 mm). The Olight i3T EOS is 11 g lighter (41 g vs 52 g, with battery).
Brightness and throw
The Nitecore MT1A Pro is rated brighter: 800 lm maximum vs 180 lm for the Olight i3T EOS, 344% more.
Battery
The Nitecore MT1A Pro runs on removable 14500 / AA batteries; the Olight i3T EOS runs on a removable AAA battery. For scale, a 14500 cell is about 14 × 50 mm and a AAA about 10.5 × 44.5 mm (nominal).
Price
When we checked on Nov 4, 2026, the Nitecore MT1A Pro was $41.95 at nitecorestore.com and the Olight i3T EOS $17.99 at olight.com, so the Olight i3T EOS cost $23.96 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 Nitecore MT1A Pro if you want more output (800 lm vs 180 lm). Choose the Olight i3T EOS if you want a shorter light (4 mm shorter), a slimmer profile (4.8 mm narrower) and less weight (11 g lighter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Nitecore MT1A Pro Check price ↗ Olight i3T EOS
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MT1A Pro vs i3T EOS FAQ
Which is smaller, the Nitecore MT1A Pro or the Olight i3T EOS?
The Olight i3T EOS is the shorter light: 89 mm (3.50 in) against 93 mm (3.66 in), a difference of 4 mm (4%). At its widest point the Olight i3T EOS is 4.8 mm slimmer (15 vs 19.8 mm). The Olight i3T EOS is 11 g lighter (41 g vs 52 g, with battery).
Which is brighter, the Nitecore MT1A Pro or the Olight i3T EOS?
The Nitecore MT1A Pro is rated brighter: 800 lm maximum vs 180 lm for the Olight i3T EOS, 344% more.
Which is cheaper, the Nitecore MT1A Pro or the Olight i3T EOS?
When we checked on Nov 4, 2026, the Nitecore MT1A Pro was $41.95 at nitecorestore.com and the Olight i3T EOS $17.99 at olight.com, so the Olight i3T EOS cost $23.96 less. Prices change often, so check the current price before you buy.
Do the Nitecore MT1A Pro and Olight i3T EOS use the same battery?
The Nitecore MT1A Pro runs on removable 14500 / AA batteries; the Olight i3T EOS runs on a removable AAA battery. For scale, a 14500 cell is about 14 × 50 mm and a AAA about 10.5 × 44.5 mm (nominal).
Compare Nitecore MT1A Pro with similar lights
Compare Olight i3T EOS with similar lights
More
Sources
- Nitecore MT1A Pro: specs from manufacturer published specs as listed by nitecorestore.com. Price $41.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
- 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.
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