Fenix HL16 AAA vs Streamlight Stylus Pro size comparison
The Streamlight Stylus Pro is 71 mm (2.80 in) longer than the Fenix HL16 AAA, and 33 mm narrower at its widest point. Weights are published on different bases (listed vs with battery and headband), so compare them with care.
The Streamlight Stylus Pro is 71 mm (2.80 in) longer than the Fenix HL16 AAA, and 33 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 HL16 AAA Check price ↗ | Streamlight Stylus Pro Check price ↗ | |
| Length | 64 mm (2.52 in) | 135 mm (5.31 in)+71 mm |
| Head / width | 48 mm (1.89 in) | 15 mm (0.59 in)−33 mm |
| Body | — | 15 mm (0.59 in) |
| Thickness | 27 mm (1.06 in) | — |
| Weight | 97.2 g with battery and headband | 46 g listed |
| Battery | 3x AAA | 2x AAA |
| Max output | 450 lm | 100 lm |
| Throw | 104 m | 58 m |
| Type | Headlamp / right-angle | Penlight |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 | $28.50 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced Headlamp unit; front view drawn width x height | batteryjunction.com sourced |
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
HL16 AAA vs Stylus Pro: how they differ
Size and weight
The Fenix HL16 AAA is the shorter light: 64 mm (2.52 in) against 135 mm (5.31 in), a difference of 71 mm (53%). At its widest point the Streamlight Stylus Pro is 33 mm slimmer (15 vs 48 mm). Weights are published on different bases (Fenix HL16 AAA: 97.2 g with battery and headband; Streamlight Stylus Pro: 46 g listed), so they are not directly comparable.
Brightness and throw
The Fenix HL16 AAA is rated brighter: 450 lm maximum vs 100 lm for the Streamlight Stylus Pro, 350% more. For beam distance the Fenix HL16 AAA reaches further: 104 m vs 58 m rated throw (79% more).
Battery
The Fenix HL16 AAA runs on removable 3x AAA batteries; the Streamlight Stylus Pro runs on removable 2x AAA batteries.
Price
When we checked on Nov 4, 2026, the Fenix HL16 AAA was $29.95 at fenixlighting.com and the Streamlight Stylus Pro $28.50 at batteryjunction.com, so the Streamlight Stylus Pro cost $1.45 less. Prices change often, so check the current price before you buy.
Type
The Fenix HL16 AAA is listed as headlamp / right-angle and the Streamlight Stylus Pro as penlight, so they suit different jobs.
Which should you buy?
Choose the Fenix HL16 AAA if you want a shorter light (71 mm shorter), more output (450 lm vs 100 lm) and longer throw (104 m vs 58 m). Choose the Streamlight Stylus Pro if you want a slimmer profile (33 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HL16 AAA Check price ↗ Streamlight Stylus Pro
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
HL16 AAA vs Stylus Pro FAQ
Which is smaller, the Fenix HL16 AAA or the Streamlight Stylus Pro?
The Fenix HL16 AAA is the shorter light: 64 mm (2.52 in) against 135 mm (5.31 in), a difference of 71 mm (53%). At its widest point the Streamlight Stylus Pro is 33 mm slimmer (15 vs 48 mm). Weights are published on different bases (Fenix HL16 AAA: 97.2 g with battery and headband; Streamlight Stylus Pro: 46 g listed), so they are not directly comparable.
Which is brighter, the Fenix HL16 AAA or the Streamlight Stylus Pro?
The Fenix HL16 AAA is rated brighter: 450 lm maximum vs 100 lm for the Streamlight Stylus Pro, 350% more. For beam distance the Fenix HL16 AAA reaches further: 104 m vs 58 m rated throw (79% more).
Which is cheaper, the Fenix HL16 AAA or the Streamlight Stylus Pro?
When we checked on Nov 4, 2026, the Fenix HL16 AAA was $29.95 at fenixlighting.com and the Streamlight Stylus Pro $28.50 at batteryjunction.com, so the Streamlight Stylus Pro cost $1.45 less. Prices change often, so check the current price before you buy.
Do the Fenix HL16 AAA and Streamlight Stylus Pro use the same battery?
The Fenix HL16 AAA runs on removable 3x AAA batteries; the Streamlight Stylus Pro runs on removable 2x AAA batteries.
Compare Fenix HL16 AAA with similar lights
Compare Streamlight Stylus Pro with similar lights
More
Sources
- Fenix HL16 AAA: specs from Fenix product page (manufacturer). Drawing: outline from published specs. Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Streamlight Stylus Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $28.50 from batteryjunction.com, checked Nov 4, 2026; prices change often.
Found an error? Email contact@flashlighthero.com and we will fix it.