Olight ArkPro vs ThruNite TC15 V3 size comparison
The ThruNite TC15 V3 is 2 mm (0.08 in) shorter than the Olight ArkPro, 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, 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 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 | 115 g with battery | 74 g listed |
| Battery | Built-in | 18650 |
| Max output | 1,500 lm | 2,403 lm |
| Throw | 205 m | 223 m |
| Type | EDC | EDC |
| Price | $109.99 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 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: 115 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 1,500 lm for the Olight ArkPro, 60% more. For beam distance the ThruNite TC15 V3 reaches further: 223 m vs 205 m rated throw (9% more).
Battery
The Olight ArkPro 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 was $109.99 at olight.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 cost $50.00 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 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 1,500 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 Check price ↗ ThruNite TC15 V3
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ArkPro vs TC15 V3 FAQ
Which is smaller, the Olight ArkPro 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: 115 g with battery; ThruNite TC15 V3: 74 g listed), so they are not directly comparable.
Which is brighter, the Olight ArkPro or the ThruNite TC15 V3?
The ThruNite TC15 V3 is rated brighter: 2,403 lm maximum vs 1,500 lm for the Olight ArkPro, 60% 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 or the ThruNite TC15 V3?
When we checked on Nov 4, 2026, the Olight ArkPro was $109.99 at olight.com and the ThruNite TC15 V3 $59.99 at batteryjunction.com, so the ThruNite TC15 V3 cost $50.00 less. Prices change often, so check the current price before you buy.
Do the Olight ArkPro and ThruNite TC15 V3 use the same battery?
The Olight ArkPro 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 with similar lights
Compare ThruNite TC15 V3 with similar lights
More
Sources
- Olight ArkPro: specs from Olight product page (manufacturer). Price $109.99 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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