Nitecore EDC27 UHi vs Olight ArkTac size comparison
The Olight ArkTac is about the same length as the Nitecore EDC27 UHi, and 2.5 mm narrower at its widest point. It is 14 g heavier (with battery).
The Olight ArkTac is about the same length as the Nitecore EDC27 UHi, and 2.5 mm narrower at its widest point. It is 14 g heavier (with battery).
Dimensions
| Nitecore EDC27 UHi Check price ↗ | Olight ArkTac Check price ↗ | |
| Length | 135.4 mm (5.33 in) | 135.5 mm (5.33 in)+0.1 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 | 136 g with battery+14 g |
| Battery | Built-in | Built-in |
| Max output | 3,100 lm | 1,700 lm |
| Throw | — | 205 m |
| Type | EDC | EDC |
| Price | $89.95 at nitecorestore.com, as of Nov 4, 2026 | $119.99 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 sourced |
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EDC27 UHi vs ArkTac: how they differ
Size and weight
The Nitecore EDC27 UHi and Olight ArkTac are the same length to within half a millimetre (135.4 mm (5.33 in)). At its widest point the Olight ArkTac is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC27 UHi is 14 g lighter (122 g vs 136 g, with battery).
Brightness and throw
The Nitecore EDC27 UHi is rated brighter: 3,100 lm maximum vs 1,700 lm for the Olight ArkTac, 82% more.
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 $119.99 at olight.com, so the Nitecore EDC27 UHi cost $30.04 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 (14 g lighter) and more output (3,100 lm vs 1,700 lm). Choose the Olight ArkTac 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
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EDC27 UHi vs ArkTac FAQ
Which is smaller, the Nitecore EDC27 UHi or the Olight ArkTac?
The Nitecore EDC27 UHi and Olight ArkTac are the same length to within half a millimetre (135.4 mm (5.33 in)). At its widest point the Olight ArkTac is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC27 UHi is 14 g lighter (122 g vs 136 g, with battery).
Which is brighter, the Nitecore EDC27 UHi or the Olight ArkTac?
The Nitecore EDC27 UHi is rated brighter: 3,100 lm maximum vs 1,700 lm for the Olight ArkTac, 82% more.
Which is cheaper, the Nitecore EDC27 UHi or the Olight ArkTac?
When we checked on Nov 4, 2026, the Nitecore EDC27 UHi was $89.95 at nitecorestore.com and the Olight ArkTac $119.99 at olight.com, so the Nitecore EDC27 UHi cost $30.04 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC27 UHi and Olight ArkTac 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 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: specs from Olight product page (manufacturer). Price $119.99 from olight.com, checked Nov 4, 2026; prices change often.
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