Nitecore EDC27 vs Olight ArkTac Ultra size comparison
The Olight ArkTac Ultra is about the same length as the Nitecore EDC27, and 3 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Nitecore EDC27: Photo: Nitecore · Image policy
The Olight ArkTac Ultra is about the same length as the Nitecore EDC27, and 3 mm narrower at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| Nitecore EDC27 Check price ↗ | Olight ArkTac Ultra Check price ↗ | |
| Length | 136 mm (5.35 in) | 135.6 mm (5.34 in)−0.4 mm |
| Head / width | 32 mm (1.26 in) | 29 mm (1.14 in)−3 mm |
| Thickness | 21 mm (0.83 in) | 17 mm (0.67 in)−4 mm |
| Weight | 124 g listed | 140 g with battery |
| Battery | Built-in | Built-in |
| Max output | 3,000 lm | — |
| Throw | 220 m | — |
| Type | EDC | EDC |
| Price | not verified yet | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page |
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EDC27 vs ArkTac Ultra: how they differ
Size and weight
The Nitecore EDC27 and Olight ArkTac Ultra are the same length to within half a millimetre (136 mm (5.35 in)). At its widest point the Olight ArkTac Ultra is 3 mm slimmer (29 vs 32 mm). Weights are published on different bases (Nitecore EDC27: 124 g listed; Olight ArkTac Ultra: 140 g with battery), so they are not directly comparable.
Brightness and throw
The Nitecore EDC27 is rated at 3,000 lm; we have no published maximum for the Olight ArkTac Ultra.
Battery
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Type
Both are EDC lights in our catalog with a flat body.
Which should you buy?
Choose the Olight ArkTac Ultra if you want a slimmer profile (3 mm narrower). On the specs we track, the Olight ArkTac Ultra is ahead or level everywhere; the Nitecore EDC27 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 ↗ Nitecore EDC27 Check price ↗ Olight ArkTac Ultra
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
EDC27 vs ArkTac Ultra FAQ
Which is smaller, the Nitecore EDC27 or the Olight ArkTac Ultra?
The Nitecore EDC27 and Olight ArkTac Ultra are the same length to within half a millimetre (136 mm (5.35 in)). At its widest point the Olight ArkTac Ultra is 3 mm slimmer (29 vs 32 mm). Weights are published on different bases (Nitecore EDC27: 124 g listed; Olight ArkTac Ultra: 140 g with battery), so they are not directly comparable.
Do the Nitecore EDC27 and Olight ArkTac Ultra use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Nitecore EDC27 with similar lights
Compare Olight ArkTac Ultra with similar lights
More
Sources
- Nitecore EDC27: specs from manufacturer published specs as listed by batteryjunction.com. Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Nitecore; image policy). No verified price yet.
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). Drawing: shape measured from manufacturer photo (olight.com), scaled to the published length and diameter. Some values could not be confirmed on a second source and are marked unverified. Price $159.99 from olight.com, checked Nov 4, 2026; prices change often.
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