Nitecore NU25 UL vs Olight Perun 3 Mini size comparison
The Olight Perun 3 Mini is 4 mm (0.16 in) longer than the Nitecore NU25 UL, and 3 mm narrower at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The Olight Perun 3 Mini is 4 mm (0.16 in) longer than the Nitecore NU25 UL, and 3 mm narrower at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Nitecore NU25 UL Check price ↗ | Olight Perun 3 Mini Check price ↗ | |
| Length | 60 mm (2.36 in) | 64 mm (2.52 in)+4 mm |
| Head / width | 25 mm (0.98 in) | 22 mm (0.87 in)−3 mm |
| Body | — | 22 mm (0.87 in) |
| Thickness | 37 mm (1.46 in) | — |
| Weight | 56 g listed | 54 g listed |
| Battery | Built-in | Built-in |
| Max output | 400 lm | 1,250 lm |
| Throw | 64 m | 155 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | from $36.95 at batteryjunction.com, as of Nov 4, 2026 | $64.99 at olight.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Retailer lists 60 x 37 x 25 mm | batteryjunction.com sourced |
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NU25 UL vs Perun 3 Mini: how they differ
Size and weight
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 64 mm (2.52 in), a difference of 4 mm (6%). At its widest point the Olight Perun 3 Mini is 3 mm slimmer (22 vs 25 mm). Weights are published on different bases (Nitecore NU25 UL: 56 g listed; Olight Perun 3 Mini: 54 g listed), so they are not directly comparable.
Brightness and throw
The Olight Perun 3 Mini is rated brighter: 1,250 lm maximum vs 400 lm for the Nitecore NU25 UL, 213% more. For beam distance the Olight Perun 3 Mini reaches further: 155 m vs 64 m rated throw (142% 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 NU25 UL was from $36.95 at batteryjunction.com and the Olight Perun 3 Mini $64.99 at olight.com, so the Nitecore NU25 UL cost $28.04 less. Prices change often, so check the current price before you buy.
Type
Both are headlamps / right-angle lights in our catalog.
Which should you buy?
Choose the Nitecore NU25 UL if you want a shorter light (4 mm shorter). Choose the Olight Perun 3 Mini if you want a slimmer profile (3 mm narrower), more output (1,250 lm vs 400 lm) and longer throw (155 m vs 64 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Nitecore NU25 UL Check price ↗ Olight Perun 3 Mini
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
NU25 UL vs Perun 3 Mini FAQ
Which is smaller, the Nitecore NU25 UL or the Olight Perun 3 Mini?
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 64 mm (2.52 in), a difference of 4 mm (6%). At its widest point the Olight Perun 3 Mini is 3 mm slimmer (22 vs 25 mm). Weights are published on different bases (Nitecore NU25 UL: 56 g listed; Olight Perun 3 Mini: 54 g listed), so they are not directly comparable.
Which is brighter, the Nitecore NU25 UL or the Olight Perun 3 Mini?
The Olight Perun 3 Mini is rated brighter: 1,250 lm maximum vs 400 lm for the Nitecore NU25 UL, 213% more. For beam distance the Olight Perun 3 Mini reaches further: 155 m vs 64 m rated throw (142% more).
Which is cheaper, the Nitecore NU25 UL or the Olight Perun 3 Mini?
When we checked on Nov 4, 2026, the Nitecore NU25 UL was from $36.95 at batteryjunction.com and the Olight Perun 3 Mini $64.99 at olight.com, so the Nitecore NU25 UL cost $28.04 less. Prices change often, so check the current price before you buy.
Do the Nitecore NU25 UL and Olight Perun 3 Mini use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Nitecore NU25 UL with similar lights
Compare Olight Perun 3 Mini with similar lights
More
Sources
- Nitecore NU25 UL: specs from manufacturer published specs as listed by batteryjunction.com. Price from $36.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- Olight Perun 3 Mini: specs from Olight product page (manufacturer); manufacturer published specs as listed by batteryjunction.com. Price $64.99 from olight.com, checked Nov 4, 2026; prices change often.
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