Acebeam H16 vs Fenix HM23 V2.0 size comparison
The Fenix HM23 V2.0 is 8.4 mm (0.33 in) shorter than the Acebeam H16, and 11 mm wider at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
The Fenix HM23 V2.0 is 8.4 mm (0.33 in) shorter than the Acebeam H16, and 11 mm wider at its widest point. Weights are published on different bases (with battery vs listed), so compare them with care.
Dimensions
| Acebeam H16 Check price ↗ | Fenix HM23 V2.0 Check price ↗ | |
| Length | 82 mm (3.23 in) | 73.6 mm (2.90 in)−8.4 mm |
| Head / width | 19 mm (0.75 in) | 30 mm (1.18 in)+11 mm |
| Body | 18 mm (0.71 in) | — |
| Thickness | — | 36 mm (1.42 in) |
| Weight | 71 g listed | 86.3 g with battery |
| Battery | 14500 | 14500 / AA |
| Max output | 900 lm | 300 lm |
| Throw | 104 m | 88 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $39.95 at batteryjunction.com, as of Nov 4, 2026 | $36.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | fenixlighting.com sourced Headlamp unit; front view drawn width x height |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
H16 vs HM23 V2.0: how they differ
Size and weight
The Fenix HM23 V2.0 is the shorter light: 73.6 mm (2.90 in) against 82 mm (3.23 in), a difference of 8.4 mm (10%). At its widest point the Acebeam H16 is 11 mm slimmer (19 vs 30 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Fenix HM23 V2.0: 86.3 g with battery), so they are not directly comparable.
Brightness and throw
The Acebeam H16 is rated brighter: 900 lm maximum vs 300 lm for the Fenix HM23 V2.0, 200% more. For beam distance the Acebeam H16 reaches further: 104 m vs 88 m rated throw (18% more).
Battery
The Acebeam H16 runs on a removable 14500 battery; the Fenix HM23 V2.0 runs on removable 14500 / AA batteries.
Price
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Fenix HM23 V2.0 $36.95 at fenixlighting.com, so the Fenix HM23 V2.0 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 (11 mm narrower), more output (900 lm vs 300 lm) and longer throw (104 m vs 88 m). Choose the Fenix HM23 V2.0 if you want a shorter light (8.4 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Acebeam H16 Check price ↗ Fenix HM23 V2.0
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
H16 vs HM23 V2.0 FAQ
Which is smaller, the Acebeam H16 or the Fenix HM23 V2.0?
The Fenix HM23 V2.0 is the shorter light: 73.6 mm (2.90 in) against 82 mm (3.23 in), a difference of 8.4 mm (10%). At its widest point the Acebeam H16 is 11 mm slimmer (19 vs 30 mm). Weights are published on different bases (Acebeam H16: 71 g listed; Fenix HM23 V2.0: 86.3 g with battery), so they are not directly comparable.
Which is brighter, the Acebeam H16 or the Fenix HM23 V2.0?
The Acebeam H16 is rated brighter: 900 lm maximum vs 300 lm for the Fenix HM23 V2.0, 200% more. For beam distance the Acebeam H16 reaches further: 104 m vs 88 m rated throw (18% more).
Which is cheaper, the Acebeam H16 or the Fenix HM23 V2.0?
When we checked on Nov 4, 2026, the Acebeam H16 was $39.95 at batteryjunction.com and the Fenix HM23 V2.0 $36.95 at fenixlighting.com, so the Fenix HM23 V2.0 cost $3.00 less. Prices change often, so check the current price before you buy.
Do the Acebeam H16 and Fenix HM23 V2.0 use the same battery?
The Acebeam H16 runs on a removable 14500 battery; the Fenix HM23 V2.0 runs on removable 14500 / AA batteries.
Compare Acebeam H16 with similar lights
Compare Fenix HM23 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 HM23 V2.0: specs from Fenix product page (manufacturer). Price $36.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
Found an error? Email [email protected] and we will fix it.