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
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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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