Olight ArkTac size & dimensions
Olight ArkTac shown at true scale next to a credit card. Add another light to compare.
Specs
| Olight ArkTac Check price ↗ | |
| Length | 135.5 mm (5.33 in) |
| Head / width | 29 mm (1.14 in) |
| Thickness | 17 mm (0.67 in) |
| Weight | 136 g with battery |
| Battery | Built-in |
| Max output | 1,700 lm |
| Throw | 205 m |
| Type | EDC |
| Price | $119.99 at olight.com, as of Nov 4, 2026 |
| Source | olight.com sourced |
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Size in everyday terms
The Olight ArkTac is 135.5 mm (5.33 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 is the 106th shortest, 56th brightest of 118 with a published output and 44th for throw of 81 with a published beam distance.
Battery, output and weight
The Olight ArkTac runs on a built-in rechargeable battery. The manufacturer rates its maximum output at 1,700 lm and its throw at 205 m. Listed weight is 136 g (with battery). When we checked on Nov 4, 2026, it was $119.99 at olight.com.
Featured in: Best rechargeable flashlights with a built-in battery (#25).
Olight ArkTac vs…
ArkTac FAQ
How big is the Olight ArkTac?
The Olight ArkTac is 135.5 mm (5.33 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 use?
The Olight ArkTac runs on a built-in rechargeable battery.
How bright is the Olight ArkTac?
The manufacturer rates the Olight ArkTac at 1,700 lm maximum output, with 205 m of throw.
More Olight lights
See also: Best EDC flashlights
Sources
- Olight ArkTac: specs from Olight product page (manufacturer). Price $119.99 from olight.com, checked Nov 4, 2026; prices change often.
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