Olight ArkPro Ultra vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 5 mm (0.20 in) shorter than the Olight ArkPro Ultra, and 2 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
The RovyVon S3 Pro is 5 mm (0.20 in) shorter than the Olight ArkPro Ultra, and 2 mm wider at its widest point. Weights are published on different bases (listed vs with battery), so compare them with care.
Dimensions
| Olight ArkPro Ultra Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 124 mm (4.88 in) | 119 mm (4.69 in)−5 mm |
| Head / width | 27 mm (1.06 in) | 29 mm (1.14 in)+2 mm |
| Body | — | 29 mm (1.14 in) |
| Thickness | 16 mm (0.63 in) | — |
| Weight | 120 g with battery | 150 g listed |
| Battery | Built-in | 18650 |
| Max output | 1,700 lm | 2,800 lm |
| Throw | 205 m | 130 m |
| Type | EDC | EDC |
| Price | $129.99 at olight.com, as of Nov 4, 2026 | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | olight.com sourced | batteryjunction.com sourced |
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ArkPro Ultra vs S3 Pro: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 124 mm (4.88 in), a difference of 5 mm (4%). At its widest point the Olight ArkPro Ultra is 2 mm slimmer (27 vs 29 mm). Weights are published on different bases (Olight ArkPro Ultra: 120 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Brightness and throw
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 65% more. For beam distance the Olight ArkPro Ultra reaches further: 205 m vs 130 m rated throw (58% more).
Battery
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro 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 RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $50.04 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 slimmer profile (2 mm narrower), longer throw (205 m vs 130 m) and a built-in battery with no separate cell to buy. Choose the RovyVon S3 Pro if you want a shorter light (5 mm shorter), more output (2,800 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 ↗ RovyVon S3 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
ArkPro Ultra vs S3 Pro FAQ
Which is smaller, the Olight ArkPro Ultra or the RovyVon S3 Pro?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 124 mm (4.88 in), a difference of 5 mm (4%). At its widest point the Olight ArkPro Ultra is 2 mm slimmer (27 vs 29 mm). Weights are published on different bases (Olight ArkPro Ultra: 120 g with battery; RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Olight ArkPro Ultra or the RovyVon S3 Pro?
The RovyVon S3 Pro is rated brighter: 2,800 lm maximum vs 1,700 lm for the Olight ArkPro Ultra, 65% more. For beam distance the Olight ArkPro Ultra reaches further: 205 m vs 130 m rated throw (58% more).
Which is cheaper, the Olight ArkPro Ultra or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the Olight ArkPro Ultra was $129.99 at olight.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $50.04 less. Prices change often, so check the current price before you buy.
Do the Olight ArkPro Ultra and RovyVon S3 Pro use the same battery?
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the RovyVon S3 Pro runs on a removable 18650 battery. Only the RovyVon S3 Pro lets you swap in a charged spare.
Compare Olight ArkPro Ultra with similar lights
Compare RovyVon S3 Pro 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.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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