Acebeam H16 vs Fenix HM50R V2.0 size comparison
The Fenix HM50R V2.0 is 18 mm (0.71 in) shorter than the Acebeam H16, and 13 mm wider at its widest point. Weights are published on different bases (with battery and headband vs listed), so compare them with care.
The Fenix HM50R V2.0 is 18 mm (0.71 in) shorter than the Acebeam H16, and 13 mm wider at its widest point. Weights are published on different bases (with battery and headband vs listed), so compare them with care.
Dimensions
| Acebeam H16 Check price ↗ | Fenix HM50R V2.0 Check price ↗ | |
| Length | 82 mm (3.23 in) | 64 mm (2.52 in)−18 mm |
| Head / width | 19 mm (0.75 in) | 32 mm (1.26 in)+13 mm |
| Body | 18 mm (0.71 in) | — |
| Thickness | — | 36 mm (1.42 in) |
| Weight | 71 g listed | 78 g with battery and headband |
| Battery | 14500 | 16340 |
| Max output | 900 lm | 700 lm |
| Throw | 104 m | 115 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $39.95 at batteryjunction.com, as of Nov 4, 2026 | $59.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | fenixlighting.com sourced Headlamp unit; front view drawn width x height |
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H16 vs HM50R V2.0: how they differ
Size and weight
The Fenix HM50R V2.0 is the shorter light: 64 mm (2.52 in) against 82 mm (3.23 in), a difference of 18 mm (22%). At its widest point the Acebeam H16 is 13 mm slimmer (19 vs 32 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Fenix HM50R V2.0: 78 g with battery and headband), so they are not directly comparable.
Brightness and throw
The Acebeam H16 is rated brighter: 900 lm maximum vs 700 lm for the Fenix HM50R V2.0, 29% more. For beam distance the Fenix HM50R V2.0 reaches further: 115 m vs 104 m rated throw (11% more).
Battery
The Acebeam H16 runs on a removable 14500 battery; the Fenix HM50R V2.0 runs on a removable 16340 battery. For scale, a 14500 cell is about 14 × 50 mm and a 16340 about 16 × 34 mm (nominal).
Price
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Fenix HM50R V2.0 $59.95 at fenixlighting.com, so the Acebeam H16 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.
Which should you buy?
Choose the Acebeam H16 if you want a slimmer profile (13 mm narrower) and more output (900 lm vs 700 lm). Choose the Fenix HM50R V2.0 if you want a shorter light (18 mm shorter) and longer throw (115 m vs 104 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam H16 Check price ↗ Fenix HM50R V2.0
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
H16 vs HM50R V2.0 FAQ
Which is smaller, the Acebeam H16 or the Fenix HM50R V2.0?
The Fenix HM50R V2.0 is the shorter light: 64 mm (2.52 in) against 82 mm (3.23 in), a difference of 18 mm (22%). At its widest point the Acebeam H16 is 13 mm slimmer (19 vs 32 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Fenix HM50R V2.0: 78 g with battery and headband), so they are not directly comparable.
Which is brighter, the Acebeam H16 or the Fenix HM50R V2.0?
The Acebeam H16 is rated brighter: 900 lm maximum vs 700 lm for the Fenix HM50R V2.0, 29% more. For beam distance the Fenix HM50R V2.0 reaches further: 115 m vs 104 m rated throw (11% more).
Which is cheaper, the Acebeam H16 or the Fenix HM50R V2.0?
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Fenix HM50R V2.0 $59.95 at fenixlighting.com, so the Acebeam H16 cost $20.00 less. Prices change often, so check the current price before you buy.
Do the Acebeam H16 and Fenix HM50R V2.0 use the same battery?
The Acebeam H16 runs on a removable 14500 battery; the Fenix HM50R V2.0 runs on a removable 16340 battery. For scale, a 14500 cell is about 14 × 50 mm and a 16340 about 16 × 34 mm (nominal).
Compare Acebeam H16 with similar lights
Compare Fenix HM50R V2.0 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.
- Fenix HM50R V2.0: specs from Fenix product page (manufacturer). Price $59.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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