Olight ArkPro Ultra vs Wurkkos FC11C size comparison
The Wurkkos FC11C is 7.8 mm (0.31 in) shorter than the Olight ArkPro Ultra, with about the same max diameter/width. Weights are published on different bases (without battery vs with battery), so compare them with care.
The Wurkkos FC11C is 7.8 mm (0.31 in) shorter than the Olight ArkPro Ultra, with about the same max diameter/width. Weights are published on different bases (without battery vs with battery), so compare them with care.
Dimensions
| Olight ArkPro Ultra Check price ↗ | Wurkkos FC11C Check price ↗ | |
| Length | 124 mm (4.88 in) | 116.2 mm (4.58 in)−7.8 mm |
| Head / width | 27 mm (1.06 in) | 27 mm (1.06 in)same |
| Thickness | 16 mm (0.63 in) | — |
| Weight | 120 g with battery | 65 g without battery |
| Battery | Built-in | 18650 |
| Max output | 1,700 lm | 1,200 lm |
| Throw | 205 m | — |
| Type | EDC | EDC |
| Price | $129.99 at olight.com, as of Nov 4, 2026 | $23.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | olight.com sourced | flashlightgo.com sourced Only head diameter listed |
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ArkPro Ultra vs FC11C: how they differ
Size and weight
The Wurkkos FC11C is the shorter light: 116.2 mm (4.58 in) against 124 mm (4.88 in), a difference of 7.8 mm (6%). 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; Wurkkos FC11C: 65 g without battery), so they are not directly comparable.
Brightness and throw
The Olight ArkPro Ultra is rated brighter: 1,700 lm maximum vs 1,200 lm for the Wurkkos FC11C, 42% more.
Battery
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the Wurkkos FC11C runs on a removable 18650 battery. Only the Wurkkos FC11C 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 Wurkkos FC11C $23.99 at flashlightgo.com, so the Wurkkos FC11C cost $106.00 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 more output (1,700 lm vs 1,200 lm) and a built-in battery with no separate cell to buy. Choose the Wurkkos FC11C if you want a shorter light (7.8 mm shorter) 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 ↗ Wurkkos FC11C
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ArkPro Ultra vs FC11C FAQ
Which is smaller, the Olight ArkPro Ultra or the Wurkkos FC11C?
The Wurkkos FC11C is the shorter light: 116.2 mm (4.58 in) against 124 mm (4.88 in), a difference of 7.8 mm (6%). 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; Wurkkos FC11C: 65 g without battery), so they are not directly comparable.
Which is brighter, the Olight ArkPro Ultra or the Wurkkos FC11C?
The Olight ArkPro Ultra is rated brighter: 1,700 lm maximum vs 1,200 lm for the Wurkkos FC11C, 42% more.
Which is cheaper, the Olight ArkPro Ultra or the Wurkkos FC11C?
When we checked on Nov 4, 2026, the Olight ArkPro Ultra was $129.99 at olight.com and the Wurkkos FC11C $23.99 at flashlightgo.com, so the Wurkkos FC11C cost $106.00 less. Prices change often, so check the current price before you buy.
Do the Olight ArkPro Ultra and Wurkkos FC11C use the same battery?
The Olight ArkPro Ultra runs on a built-in rechargeable battery; the Wurkkos FC11C runs on a removable 18650 battery. Only the Wurkkos FC11C lets you swap in a charged spare.
Compare Olight ArkPro Ultra with similar lights
Compare Wurkkos FC11C 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.
- Wurkkos FC11C: specs from manufacturer published specs as listed by flashlightgo.com. Price $23.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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