Acebeam H16 vs ThruNite TH20 Pro size comparison
The ThruNite TH20 Pro is 2 mm (0.08 in) shorter than the Acebeam H16, and 3 mm wider at its widest point. Weights are published on different bases (listed vs listed), so compare them with care.
The ThruNite TH20 Pro is 2 mm (0.08 in) shorter than the Acebeam H16, and 3 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 ↗ | ThruNite TH20 Pro Check price ↗ | |
| Length | 82 mm (3.23 in) | 80 mm (3.15 in)−2 mm |
| Head / width | 19 mm (0.75 in) | 22 mm (0.87 in)+3 mm |
| Body | 18 mm (0.71 in) | 20 mm (0.79 in)+2 mm |
| Weight | 71 g listed | 58 g listed |
| Battery | 14500 | 14500 |
| Max output | 900 lm | 1,010 lm |
| Throw | 104 m | 141 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $39.95 at batteryjunction.com, as of Nov 4, 2026 | not verified yet |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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H16 vs TH20 Pro: how they differ
Size and weight
The ThruNite TH20 Pro is the shorter light: 80 mm (3.15 in) against 82 mm (3.23 in), a difference of 2 mm (2%). At its widest point the Acebeam H16 is 3 mm slimmer (19 vs 22 mm). Weights are published on different bases (Acebeam H16: 71 g listed; ThruNite TH20 Pro: 58 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite TH20 Pro is rated brighter: 1,010 lm maximum vs 900 lm for the Acebeam H16, 12% more. For beam distance the ThruNite TH20 Pro reaches further: 141 m vs 104 m rated throw (36% more).
Battery
Both run on a removable 14500 battery, so spare cells work in either light.
Type
Both are headlamps / right-angle lights in our catalog with a right-angle body.
Which should you buy?
Choose the Acebeam H16 if you want a slimmer profile (3 mm narrower). Choose the ThruNite TH20 Pro if you want more output (1,010 lm vs 900 lm) and longer throw (141 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 ↗ ThruNite TH20 Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
H16 vs TH20 Pro FAQ
Which is smaller, the Acebeam H16 or the ThruNite TH20 Pro?
The ThruNite TH20 Pro is the shorter light: 80 mm (3.15 in) against 82 mm (3.23 in), a difference of 2 mm (2%). At its widest point the Acebeam H16 is 3 mm slimmer (19 vs 22 mm). Weights are published on different bases (Acebeam H16: 71 g listed; ThruNite TH20 Pro: 58 g listed), so they are not directly comparable.
Which is brighter, the Acebeam H16 or the ThruNite TH20 Pro?
The ThruNite TH20 Pro is rated brighter: 1,010 lm maximum vs 900 lm for the Acebeam H16, 12% more. For beam distance the ThruNite TH20 Pro reaches further: 141 m vs 104 m rated throw (36% more).
Do the Acebeam H16 and ThruNite TH20 Pro use the same battery?
Both run on a removable 14500 battery, so spare cells work in either light.
Compare Acebeam H16 with similar lights
Compare ThruNite TH20 Pro 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.
- ThruNite TH20 Pro: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
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