Acebeam H16 vs Nitecore NU25 UL size comparison
The Nitecore NU25 UL is 22 mm (0.87 in) shorter than the Acebeam H16, and 6 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The Nitecore NU25 UL is 22 mm (0.87 in) shorter than the Acebeam H16, and 6 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
Dimensions
| Acebeam H16 Check price ↗ | Nitecore NU25 UL Check price ↗ | |
| Length | 82 mm (3.23 in) | 60 mm (2.36 in)−22 mm |
| Head / width | 19 mm (0.75 in) | 25 mm (0.98 in)+6 mm |
| Body | 18 mm (0.71 in) | — |
| Thickness | — | 37 mm (1.46 in) |
| Weight | 71 g listed | 56 g listed |
| Battery | 14500 | Built-in |
| Max output | 900 lm | 400 lm |
| Throw | 104 m | 64 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $39.95 at batteryjunction.com, as of Nov 4, 2026 | from $36.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced Retailer lists 60 x 37 x 25 mm |
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H16 vs NU25 UL: how they differ
Size and weight
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 82 mm (3.23 in), a difference of 22 mm (27%). At its widest point the Acebeam H16 is 6 mm slimmer (19 vs 25 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Brightness and throw
The Acebeam H16 is rated brighter: 900 lm maximum vs 400 lm for the Nitecore NU25 UL, 125% more. For beam distance the Acebeam H16 reaches further: 104 m vs 64 m rated throw (63% more).
Battery
The Acebeam H16 runs on a removable 14500 battery; the Nitecore NU25 UL runs on a built-in rechargeable battery. Only the Acebeam H16 lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Nitecore NU25 UL cost $3.00 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 Acebeam H16 if you want a slimmer profile (6 mm narrower), more output (900 lm vs 400 lm), longer throw (104 m vs 64 m) and a removable cell you can swap. Choose the Nitecore NU25 UL if you want a shorter light (22 mm shorter) 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 ↗ Acebeam H16 Check price ↗ Nitecore NU25 UL
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
H16 vs NU25 UL FAQ
Which is smaller, the Acebeam H16 or the Nitecore NU25 UL?
The Nitecore NU25 UL is the shorter light: 60 mm (2.36 in) against 82 mm (3.23 in), a difference of 22 mm (27%). At its widest point the Acebeam H16 is 6 mm slimmer (19 vs 25 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Nitecore NU25 UL: 56 g listed), so they are not directly comparable.
Which is brighter, the Acebeam H16 or the Nitecore NU25 UL?
The Acebeam H16 is rated brighter: 900 lm maximum vs 400 lm for the Nitecore NU25 UL, 125% more. For beam distance the Acebeam H16 reaches further: 104 m vs 64 m rated throw (63% more).
Which is cheaper, the Acebeam H16 or the Nitecore NU25 UL?
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Nitecore NU25 UL from $36.95 at batteryjunction.com, so the Nitecore NU25 UL cost $3.00 less. Prices change often, so check the current price before you buy.
Do the Acebeam H16 and Nitecore NU25 UL use the same battery?
The Acebeam H16 runs on a removable 14500 battery; the Nitecore NU25 UL runs on a built-in rechargeable battery. Only the Acebeam H16 lets you swap in a charged spare.
Compare Acebeam H16 with similar lights
Compare Nitecore NU25 UL with similar lights
More
Sources
- Acebeam H16: specs from manufacturer published specs as listed by batteryjunction.com. Price $39.95 from batteryjunction.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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