Olight ArkPro Ultra vs ThruNite TC15 V3 size comparison
The ThruNite TC15 V3 is 2 mm (0.08 in) shorter than the Olight ArkPro Ultra, with about the same max diameter/width. Weights are published on different bases (listed vs with battery), so compare them with care.
The ThruNite TC15 V3 is 2 mm (0.08 in) shorter than the Olight ArkPro Ultra, with about the same max diameter/width. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Olight ArkPro Ultra Check price ↗ | ThruNite TC15 V3 Check price ↗ | |
| Length | 124 mm (4.88 in) | 122 mm (4.80 in)−2 mm |
| Head / width | 27 mm (1.06 in) | 27 mm (1.06 in)same |
| Body | — | 23 mm (0.91 in) |
| Thickness | 16 mm (0.63 in) | — |
| Weight | 120 g with battery | 74 g listed |
| Battery | Built-in | 18650 |
| Max output | 1,700 lm | 2,403 lm |
| Throw | 205 m | 223 m |
| Type | EDC | EDC |
| Price | $129.99 at olight.com, as of Nov 4, 2026 | $59.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | olight.com sourced | batteryjunction.com sourced Retailer lists W 27 x H 23 mm |
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ArkPro Ultra vs TC15 V3: how they differ
Size and weight
The ThruNite TC15 V3 is the shorter light: 122 mm (4.80 in) against 124 mm (4.88 in), a difference of 2 mm (2%). At their widest points they are about the same (27 vs 27 mm). Weights are published on different bases (Olight ArkPro Ultra: 120 g with battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite TC15 V3 is rated brighter: 2,403 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 41% more. For beam distance the ThruNite TC15 V3 reaches further: 223 m vs 205 m rated throw (9% more).
Battery
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the ThruNite TC15 V3 runs on a removable 18650 battery. Only the ThruNite TC15 V3 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Olight ArkPro Ultra was $129.99 at olight.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 cost $70.00 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 ArkPro Ultra if you want a built-in battery with no separate cell to buy. Choose the ThruNite TC15 V3 if you want more output (2,403 lm vs 1,700 lm) 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 ArkPro Ultra Check price ↗ ThruNite TC15 V3
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
ArkPro Ultra vs TC15 V3 FAQ
Which is smaller, the Olight ArkPro Ultra or the ThruNite TC15 V3?
The ThruNite TC15 V3 is the shorter light: 122 mm (4.80 in) against 124 mm (4.88 in), a difference of 2 mm (2%). At their widest points they are about the same (27 vs 27 mm). Weights are published on different bases (Olight ArkPro Ultra: 120 g with battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Which is brighter, the Olight ArkPro Ultra or the ThruNite TC15 V3?
The ThruNite TC15 V3 is rated brighter: 2,403 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 41% more. For beam distance the ThruNite TC15 V3 reaches further: 223 m vs 205 m rated throw (9% more).
Which is cheaper, the Olight ArkPro Ultra or the ThruNite TC15 V3?
When we checked on Nov 4, 2026, the Olight ArkPro Ultra was $129.99 at olight.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 cost $70.00 less. Prices change often, so check the current price before you buy.
Do the Olight ArkPro Ultra and ThruNite TC15 V3 use the same battery?
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the ThruNite TC15 V3 runs on a removable 18650 battery. Only the ThruNite TC15 V3 lets you swap in a charged spare.
Compare Olight ArkPro Ultra with similar lights
Compare ThruNite TC15 V3 with similar lights
More
Sources
- Olight ArkPro Ultra: specs from Olight product page (manufacturer). Price $129.99 from olight.com, checked Nov 4, 2026; prices change often.
- ThruNite TC15 V3: specs from manufacturer published specs as listed by batteryjunction.com. Price $59.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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