Nitecore EDC27 UHi vs Olight ArkTac Ultra size comparison
The Olight ArkTac Ultra is about the same length as the Nitecore EDC27 UHi, and 2.5 mm narrower at its widest point. It is 18 g heavier (with battery).
The Olight ArkTac Ultra is about the same length as the Nitecore EDC27 UHi, and 2.5 mm narrower at its widest point. It is 18 g heavier (with battery).
Dimensions
| Nitecore EDC27 UHi Check price ↗ | Olight ArkTac Ultra Check price ↗ | |
| Length | 135.4 mm (5.33 in) | 135.6 mm (5.34 in)+0.2 mm |
| Head / width | 31.5 mm (1.24 in) | 29 mm (1.14 in)−2.5 mm |
| Thickness | 22.1 mm (0.87 in) | 17 mm (0.67 in)−5.1 mm |
| Weight | 122 g with battery | 140 g with battery+18 g |
| Battery | Built-in | Built-in |
| Max output | 3,100 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $89.95 at nitecorestore.com, as of Nov 4, 2026 | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | nitecorestore.com sourced Listed L-5.33" x W-1.24" x H-0.87", 4.3 oz; converted from inches | 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 UHi vs ArkTac Ultra: how they differ
Size and weight
The Nitecore EDC27 UHi and Olight ArkTac Ultra are the same length to within half a millimetre (135.4 mm (5.33 in)). At its widest point the Olight ArkTac Ultra is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC27 UHi is 18 g lighter (122 g vs 140 g, with battery).
Brightness and throw
The Nitecore EDC27 UHi is rated at 3,100 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.
Price
When we checked on Nov 4, 2026, the Nitecore EDC27 UHi was $89.95 at nitecorestore.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Nitecore EDC27 UHi cost $70.04 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 Nitecore EDC27 UHi if you want less weight (18 g lighter). Choose the Olight ArkTac Ultra if you want a slimmer profile (2.5 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Nitecore EDC27 UHi Check price ↗ Olight ArkTac Ultra
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EDC27 UHi vs ArkTac Ultra FAQ
Which is smaller, the Nitecore EDC27 UHi or the Olight ArkTac Ultra?
The Nitecore EDC27 UHi and Olight ArkTac Ultra are the same length to within half a millimetre (135.4 mm (5.33 in)). At its widest point the Olight ArkTac Ultra is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC27 UHi is 18 g lighter (122 g vs 140 g, with battery).
Which is cheaper, the Nitecore EDC27 UHi or the Olight ArkTac Ultra?
When we checked on Nov 4, 2026, the Nitecore EDC27 UHi was $89.95 at nitecorestore.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Nitecore EDC27 UHi cost $70.04 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC27 UHi 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 UHi with similar lights
Compare Olight ArkTac Ultra with similar lights
More
Sources
- Nitecore EDC27 UHi: specs from manufacturer published specs as listed by nitecorestore.com. Price $89.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). 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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