Nitecore NU25 UL vs Nitecore NU33 size comparison
The Nitecore NU33 is 2 mm (0.08 in) longer than the Nitecore NU25 UL, and 11 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The Nitecore NU33 is 2 mm (0.08 in) longer than the Nitecore NU25 UL, and 11 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Nitecore NU25 UL Check price ↗ | Nitecore NU33 Check price ↗ | |
| Length | 60 mm (2.36 in) | 62 mm (2.44 in)+2 mm |
| Height | 25 mm (0.98 in) | 36 mm (1.42 in)+11 mm |
| Thickness | 37 mm (1.46 in) | 46 mm (1.81 in)+9 mm |
| Weight | 56 g listed | 96 g listed |
| Battery | Built-in | Built-in |
| Max output | 400 lm | 700 lm |
| Throw | 64 m | 135 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | from $36.95 at batteryjunction.com, as of Nov 4, 2026 | $49.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced Retailer lists 60 x 37 x 25 mm | batteryjunction.com sourced Retailer lists 62 x 46 x 36 mm |
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NU25 UL vs NU33: how they differ
Size and weight
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 62 mm (2.44 in), a difference of 2 mm (3%). At its widest point the Nitecore NU25 UL is 11 mm slimmer (25 vs 36 mm). Weights are published on different bases (Nitecore NU25 UL: 56 g listed; Nitecore NU33: 96 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore NU33 is rated brighter: 700 lm maximum vs 400 lm for the Nitecore NU25 UL, 75% more. For beam distance the Nitecore NU33 reaches further: 135 m vs 64 m rated throw (111% 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 Nitecore NU33 $49.95 at batteryjunction.com, so the Nitecore NU25 UL cost $13.00 less. Prices change often, so check the current price before you buy.
Type
Both are headlamps / right-angle lights in our catalog with a headlamp body.
Which should you buy?
Choose the Nitecore NU25 UL if you want a slimmer profile (11 mm narrower). Choose the Nitecore NU33 if you want more output (700 lm vs 400 lm) and longer throw (135 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 ↗ Nitecore NU33
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
NU25 UL vs NU33 FAQ
Which is smaller, the Nitecore NU25 UL or the Nitecore NU33?
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 62 mm (2.44 in), a difference of 2 mm (3%). At its widest point the Nitecore NU25 UL is 11 mm slimmer (25 vs 36 mm). Weights are published on different bases (Nitecore NU25 UL: 56 g listed; Nitecore NU33: 96 g listed), so they are not directly comparable.
Which is brighter, the Nitecore NU25 UL or the Nitecore NU33?
The Nitecore NU33 is rated brighter: 700 lm maximum vs 400 lm for the Nitecore NU25 UL, 75% more. For beam distance the Nitecore NU33 reaches further: 135 m vs 64 m rated throw (111% more).
Which is cheaper, the Nitecore NU25 UL or the Nitecore NU33?
When we checked on Nov 4, 2026, the Nitecore NU25 UL was from $36.95 at batteryjunction.com and the Nitecore NU33 $49.95 at batteryjunction.com, so the Nitecore NU25 UL cost $13.00 less. Prices change often, so check the current price before you buy.
Do the Nitecore NU25 UL and Nitecore NU33 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 Nitecore NU33 with similar lights
More
Sources
- Nitecore NU25 UL: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price from $36.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- Nitecore NU33: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $49.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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