Olight ArkPro vs Olight ArkPro Ultra size comparison
The Olight ArkPro Ultra is about the same length as the Olight ArkPro, with about the same max diameter/width. It is 5 g heavier (with battery).
The Olight ArkPro Ultra is about the same length as the Olight ArkPro, with about the same max diameter/width. It is 5 g heavier (with battery).
Dimensions
| Olight ArkPro Check price ↗ | Olight ArkPro Ultra Check price ↗ | |
| Length | 124 mm (4.88 in) | 124 mm (4.88 in)same |
| Head / width | 27 mm (1.06 in) | 27 mm (1.06 in)same |
| Thickness | 16 mm (0.63 in) | 16 mm (0.63 in)same |
| Weight | 115 g with battery | 120 g with battery+5 g |
| Battery | Built-in | Built-in |
| Max output | 1,500 lm | 1,700 lm |
| Throw | 205 m | 205 m |
| Type | EDC | EDC |
| Price | $109.99 at olight.com, as of Nov 4, 2026 | $129.99 at olight.com, as of Nov 4, 2026 |
| Source | olight.com sourced | olight.com sourced |
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ArkPro vs ArkPro Ultra: how they differ
Size and weight
The Olight ArkPro and Olight ArkPro Ultra are the same length to within half a millimetre (124 mm (4.88 in)). At their widest points they are about the same (27 vs 27 mm). The Olight ArkPro is 5 g lighter (115 g vs 120 g, with battery).
Brightness and throw
The Olight ArkPro Ultra is rated brighter: 1,700 lm maximum vs 1,500 lm for the Olight ArkPro, 13% more. Rated throw is the same, 205 m.
Battery
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Price
When we checked on Nov 4, 2026, the Olight ArkPro was $109.99 at olight.com and the Olight ArkPro Ultra $129.99 at olight.com, so the Olight ArkPro cost $20.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a flat body.
Which should you buy?
Choose the Olight ArkPro Ultra if you want more output (1,700 lm vs 1,500 lm). On the specs we track, the Olight ArkPro Ultra is ahead or level everywhere; the Olight ArkPro makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight ArkPro Check price ↗ Olight ArkPro Ultra
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ArkPro vs ArkPro Ultra FAQ
Which is smaller, the Olight ArkPro or the Olight ArkPro Ultra?
The Olight ArkPro and Olight ArkPro Ultra are the same length to within half a millimetre (124 mm (4.88 in)). At their widest points they are about the same (27 vs 27 mm). The Olight ArkPro is 5 g lighter (115 g vs 120 g, with battery).
Which is brighter, the Olight ArkPro or the Olight ArkPro Ultra?
The Olight ArkPro Ultra is rated brighter: 1,700 lm maximum vs 1,500 lm for the Olight ArkPro, 13% more. Rated throw is the same, 205 m.
Which is cheaper, the Olight ArkPro or the Olight ArkPro Ultra?
When we checked on Nov 4, 2026, the Olight ArkPro was $109.99 at olight.com and the Olight ArkPro Ultra $129.99 at olight.com, so the Olight ArkPro cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Olight ArkPro and Olight ArkPro Ultra use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Olight ArkPro with similar lights
Compare Olight ArkPro Ultra 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.
- Olight ArkPro Ultra: specs from Olight product page (manufacturer). Price $129.99 from olight.com, checked Nov 4, 2026; prices change often.
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