Fenix HP16R vs Nitecore NU25 UL size comparison
The Nitecore NU25 UL is 2 mm (0.08 in) shorter than the Fenix HP16R, and 7 mm narrower at its widest point. Weights are published on different bases (listed vs with battery and headband), so compare them with care.
The Nitecore NU25 UL is 2 mm (0.08 in) shorter than the Fenix HP16R, and 7 mm narrower at its widest point. Weights are published on different bases (listed vs with battery and headband), so compare them with care.
Dimensions
| Fenix HP16R Check price ↗ | Nitecore NU25 UL Check price ↗ | |
| Length | 62 mm (2.44 in) | 60 mm (2.36 in)−2 mm |
| Height | 32 mm (1.26 in) | 25 mm (0.98 in)−7 mm |
| Thickness | 47 mm (1.85 in) | 37 mm (1.46 in)−10 mm |
| Weight | 216 g with battery and headband | 56 g listed |
| Battery | Built-in | Built-in |
| Max output | 1,250 lm | 400 lm |
| Throw | 255 m | 64 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $109.95 at fenixlighting.com, as of Nov 4, 2026 | from $36.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Lamp unit only; separate battery case 73 x 25 x 69 mm | batteryjunction.com sourced Retailer lists 60 x 37 x 25 mm |
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HP16R vs NU25 UL: 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 7 mm slimmer (25 vs 32 mm). Weights are published on different bases (Fenix HP16R: 216 g with battery and headband; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Brightness and throw
The Fenix HP16R is rated brighter: 1,250 lm maximum vs 400 lm for the Nitecore NU25 UL, 213% more. For beam distance the Fenix HP16R reaches further: 255 m vs 64 m rated throw (298% 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 Fenix HP16R was $109.95 at fenixlighting.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Nitecore NU25 UL cost $73.00 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 HP16R if you want more output (1,250 lm vs 400 lm) and longer throw (255 m vs 64 m). Choose the Nitecore NU25 UL if you want a slimmer profile (7 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HP16R Check price ↗ Nitecore NU25 UL
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
HP16R vs NU25 UL FAQ
Which is smaller, the Fenix HP16R or the Nitecore NU25 UL?
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 7 mm slimmer (25 vs 32 mm). Weights are published on different bases (Fenix HP16R: 216 g with battery and headband; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Which is brighter, the Fenix HP16R or the Nitecore NU25 UL?
The Fenix HP16R is rated brighter: 1,250 lm maximum vs 400 lm for the Nitecore NU25 UL, 213% more. For beam distance the Fenix HP16R reaches further: 255 m vs 64 m rated throw (298% more).
Which is cheaper, the Fenix HP16R or the Nitecore NU25 UL?
When we checked on Nov 4, 2026, the Fenix HP16R was $109.95 at fenixlighting.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Nitecore NU25 UL cost $73.00 less. Prices change often, so check the current price before you buy.
Do the Fenix HP16R and Nitecore NU25 UL use the same battery?
Both run on a built-in rechargeable battery, so neither needs a separate battery.
Compare Fenix HP16R with similar lights
Compare Nitecore NU25 UL with similar lights
More
Sources
- Fenix HP16R: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $109.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- 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.
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