Fenix HL10 vs Nitecore NU25 UL size comparison
The Nitecore NU25 UL is 10 mm (0.39 in) shorter than the Fenix HL10, and 2 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The Nitecore NU25 UL is 10 mm (0.39 in) shorter than the Fenix HL10, and 2 mm wider at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Fenix HL10 Check price ↗ | Nitecore NU25 UL Check price ↗ | |
| Length | 70 mm (2.76 in) | 60 mm (2.36 in)−10 mm |
| Height | 23 mm (0.91 in) | 25 mm (0.98 in)+2 mm |
| Thickness | 26 mm (1.02 in) | 37 mm (1.46 in)+11 mm |
| Weight | 33 g without battery | 56 g listed |
| Battery | AAA | Built-in |
| Max output | 70 lm | 400 lm |
| Throw | 30 m | 64 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $16.95 at fenixlighting.com, as of Nov 4, 2026 | from $36.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Headlamp unit; front view drawn width x height | batteryjunction.com sourced Retailer lists 60 x 37 x 25 mm |
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HL10 vs NU25 UL: how they differ
Size and weight
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 70 mm (2.76 in), a difference of 10 mm (14%). At its widest point the Fenix HL10 is 2 mm slimmer (23 vs 25 mm). Weights are published on different bases (Fenix HL10: 33 g without battery; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore NU25 UL is rated brighter: 400 lm maximum vs 70 lm for the Fenix HL10, 471% more. For beam distance the Nitecore NU25 UL reaches further: 64 m vs 30 m rated throw (113% more).
Battery
The Fenix HL10 runs on a removable AAA battery; the Nitecore NU25 UL runs on a built-in rechargeable battery. Only the Fenix HL10 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Fenix HL10 was $16.95 at fenixlighting.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Fenix HL10 cost $20.00 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 Fenix HL10 if you want a slimmer profile (2 mm narrower) and a removable cell you can swap. Choose the Nitecore NU25 UL if you want a shorter light (10 mm shorter), more output (400 lm vs 70 lm), longer throw (64 m vs 30 m) and a built-in battery with no separate cell to buy. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HL10 Check price ↗ Nitecore NU25 UL
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
HL10 vs NU25 UL FAQ
Which is smaller, the Fenix HL10 or the Nitecore NU25 UL?
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 70 mm (2.76 in), a difference of 10 mm (14%). At its widest point the Fenix HL10 is 2 mm slimmer (23 vs 25 mm). Weights are published on different bases (Fenix HL10: 33 g without battery; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Which is brighter, the Fenix HL10 or the Nitecore NU25 UL?
The Nitecore NU25 UL is rated brighter: 400 lm maximum vs 70 lm for the Fenix HL10, 471% more. For beam distance the Nitecore NU25 UL reaches further: 64 m vs 30 m rated throw (113% more).
Which is cheaper, the Fenix HL10 or the Nitecore NU25 UL?
When we checked on Nov 4, 2026, the Fenix HL10 was $16.95 at fenixlighting.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Fenix HL10 cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Fenix HL10 and Nitecore NU25 UL use the same battery?
The Fenix HL10 runs on a removable AAA battery; the Nitecore NU25 UL runs on a built-in rechargeable battery. Only the Fenix HL10 lets you swap in a charged spare.
Compare Fenix HL10 with similar lights
Compare Nitecore NU25 UL with similar lights
More
Sources
- Fenix HL10: specs from Fenix product page (manufacturer). Price $16.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- 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.
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