Olight ArkTac vs Olight Warrior Ultra size comparison
The Olight Warrior Ultra is 4.5 mm (0.18 in) longer than the Olight ArkTac, with about the same max diameter/width. It is 42 g heavier (with battery).
Olight ArkTac: Photo: Olight · Olight Warrior Ultra: Photo: Olight · Image policy
The Olight Warrior Ultra is 4.5 mm (0.18 in) longer than the Olight ArkTac, with about the same max diameter/width. It is 42 g heavier (with battery).
Dimensions
| Olight ArkTac Check price ↗ | Olight Warrior Ultra Check price ↗ | |
| Length | 135.5 mm (5.33 in) | 140 mm (5.51 in)+4.5 mm |
| Head / width | 29 mm (1.14 in) | 29 mm (1.14 in)same |
| Body | — | 29 mm (1.14 in) |
| Thickness | 17 mm (0.67 in) | — |
| Weight | 136 g with battery | 178 g with battery+42 g |
| Battery | Built-in | 21700 |
| Max output | 1,700 lm | 2,500 lm |
| Throw | 205 m | 320 m |
| Type | EDC | EDC |
| Price | $119.99 at olight.com, as of Nov 4, 2026 | $139.99 at olight.com, as of Nov 4, 2026 |
| Source | olight.com sourced | olight.com sourced Only body diameter listed |
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ArkTac vs Warrior Ultra: how they differ
Size and weight
The Olight ArkTac is the shorter light: 135.5 mm (5.33 in) against 140 mm (5.51 in), a difference of 4.5 mm (3%). At their widest points they are about the same (29 vs 29 mm). The Olight ArkTac is 42 g lighter (136 g vs 178 g, with battery).
Brightness and throw
The Olight Warrior Ultra is rated brighter: 2,500 lm maximum vs 1,700 lm for the Olight ArkTac, 47% more. For beam distance the Olight Warrior Ultra reaches further: 320 m vs 205 m rated throw (56% more).
Battery
The Olight ArkTac runs on a built-in rechargeable battery; the Olight Warrior Ultra runs on a removable 21700 battery. Only the Olight Warrior Ultra lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Olight ArkTac was $119.99 at olight.com and the Olight Warrior Ultra $139.99 at olight.com, so the Olight ArkTac cost $20.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Olight ArkTac if you want a shorter light (4.5 mm shorter), less weight (42 g lighter) and a built-in battery with no separate cell to buy. Choose the Olight Warrior Ultra if you want more output (2,500 lm vs 1,700 lm), longer throw (320 m vs 205 m) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight ArkTac Check price ↗ Olight Warrior Ultra
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ArkTac vs Warrior Ultra FAQ
Which is smaller, the Olight ArkTac or the Olight Warrior Ultra?
The Olight ArkTac is the shorter light: 135.5 mm (5.33 in) against 140 mm (5.51 in), a difference of 4.5 mm (3%). At their widest points they are about the same (29 vs 29 mm). The Olight ArkTac is 42 g lighter (136 g vs 178 g, with battery).
Which is brighter, the Olight ArkTac or the Olight Warrior Ultra?
The Olight Warrior Ultra is rated brighter: 2,500 lm maximum vs 1,700 lm for the Olight ArkTac, 47% more. For beam distance the Olight Warrior Ultra reaches further: 320 m vs 205 m rated throw (56% more).
Which is cheaper, the Olight ArkTac or the Olight Warrior Ultra?
When we checked on Nov 4, 2026, the Olight ArkTac was $119.99 at olight.com and the Olight Warrior Ultra $139.99 at olight.com, so the Olight ArkTac cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Olight ArkTac and Olight Warrior Ultra use the same battery?
The Olight ArkTac runs on a built-in rechargeable battery; the Olight Warrior Ultra runs on a removable 21700 battery. Only the Olight Warrior Ultra lets you swap in a charged spare.
Compare Olight ArkTac with similar lights
Compare Olight Warrior Ultra with similar lights
More
Sources
- Olight ArkTac: specs from Olight product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Olight; image policy). Price $119.99 from olight.com, checked Nov 4, 2026; prices change often.
- Olight Warrior Ultra: specs from Olight product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Olight; image policy). Price $139.99 from olight.com, checked Nov 4, 2026; prices change often.
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