Olight ArkTac Ultra size & dimensions
Olight ArkTac Ultra shown at true scale next to a credit card. Add another light to compare.
Specs
| Olight ArkTac Ultra Check price ↗ | |
| Length | 135.6 mm (5.34 in) |
| Head / width | 29 mm (1.14 in) |
| Thickness | 17 mm (0.67 in) |
| Weight | 140 g with battery |
| Battery | Built-in |
| Max output | — |
| Throw | — |
| Type | EDC |
| Price | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
Size in everyday terms
The Olight ArkTac Ultra is 135.6 mm (5.34 in) long and 29 mm (1.14 in) wide, 17 mm thick. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 4.7 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 92% as long.
How it ranks
Among the 136 EDC lights in our catalog, the Olight ArkTac Ultra is the 107th shortest.
Battery, output and weight
The Olight ArkTac Ultra runs on a built-in rechargeable battery. Listed weight is 140 g (with battery). When we checked on Nov 4, 2026, it was $159.99 at olight.com.
Olight ArkTac Ultra vs…
ArkTac Ultra FAQ
How big is the Olight ArkTac Ultra?
The Olight ArkTac Ultra is 135.6 mm (5.34 in) long and 29 mm (1.14 in) wide, 17 mm thick. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 4.7 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 92% as long.
What battery does the Olight ArkTac Ultra use?
The Olight ArkTac Ultra runs on a built-in rechargeable battery.
More Olight lights
See also: Best EDC flashlights
Sources
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). Some values could not be confirmed on a second source and are marked unverified. Price $159.99 from olight.com, checked Nov 4, 2026; prices change often.
Found an error? Email liambuehlerbusiness@gmail.com and we will fix it.