Nitecore EDC25 vs Olight ArkTac Ultra size comparison
The Olight ArkTac Ultra is 0.8 mm (0.03 in) shorter than the Nitecore EDC25, and 2.5 mm narrower at its widest point. It is 36 g heavier (with battery).
Nitecore EDC25: Photo: Nitecore · Image policy
The Olight ArkTac Ultra is 0.8 mm (0.03 in) shorter than the Nitecore EDC25, and 2.5 mm narrower at its widest point. It is 36 g heavier (with battery).
Dimensions
| Nitecore EDC25 Check price ↗ | Olight ArkTac Ultra Check price ↗ | |
| Length | 136.4 mm (5.37 in) | 135.6 mm (5.34 in)−0.8 mm |
| Head / width | 31.5 mm (1.24 in) | 29 mm (1.14 in)−2.5 mm |
| Thickness | 21.3 mm (0.84 in) | 17 mm (0.67 in)−4.3 mm |
| Weight | 104 g with battery | 140 g with battery+36 g |
| Battery | Built-in | Built-in |
| Max output | 3,000 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $74.95 at nitecorestore.com, as of Nov 4, 2026 | $159.99 at olight.com, as of Nov 4, 2026 |
| Source | nitecorestore.com sourced Listed L-5.37" x W-1.24" x H-0.84", 3.67 oz; converted | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page |
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EDC25 vs ArkTac Ultra: how they differ
Size and weight
The Olight ArkTac Ultra is the shorter light: 135.6 mm (5.34 in) against 136.4 mm (5.37 in), a difference of 0.8 mm (1%). At its widest point the Olight ArkTac Ultra is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC25 is 36 g lighter (104 g vs 140 g, with battery).
Brightness and throw
The Nitecore EDC25 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.
Price
When we checked on Nov 4, 2026, the Nitecore EDC25 was $74.95 at nitecorestore.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Nitecore EDC25 cost $85.04 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 EDC25 if you want less weight (36 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 EDC25 Check price ↗ Olight ArkTac Ultra
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EDC25 vs ArkTac Ultra FAQ
Which is smaller, the Nitecore EDC25 or the Olight ArkTac Ultra?
The Olight ArkTac Ultra is the shorter light: 135.6 mm (5.34 in) against 136.4 mm (5.37 in), a difference of 0.8 mm (1%). At its widest point the Olight ArkTac Ultra is 2.5 mm slimmer (29 vs 31.5 mm). The Nitecore EDC25 is 36 g lighter (104 g vs 140 g, with battery).
Which is cheaper, the Nitecore EDC25 or the Olight ArkTac Ultra?
When we checked on Nov 4, 2026, the Nitecore EDC25 was $74.95 at nitecorestore.com and the Olight ArkTac Ultra $159.99 at olight.com, so the Nitecore EDC25 cost $85.04 less. Prices change often, so check the current price before you buy.
Do the Nitecore EDC25 and Olight ArkTac Ultra use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Nitecore EDC25 with similar lights
Compare Olight ArkTac Ultra with similar lights
More
Sources
- Nitecore EDC25: specs from manufacturer published specs as listed by nitecorestore.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). Price $74.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
- 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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