Fenix HM71R vs ThruNite TH30 V2 size comparison
The ThruNite TH30 V2 is 1 mm (0.04 in) longer than the Fenix HM71R, and 20 mm narrower at its widest point. Weights are published on different bases (listed vs with battery and headband), so compare them with care.
The ThruNite TH30 V2 is 1 mm (0.04 in) longer than the Fenix HM71R, and 20 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 HM71R Check price ↗ | ThruNite TH30 V2 Check price ↗ | |
| Length | 106 mm (4.17 in) | 107 mm (4.21 in)+1 mm |
| Head / width | 45 mm (1.77 in) | 25 mm (0.98 in)−20 mm |
| Body | — | 24 mm (0.94 in) |
| Thickness | 46 mm (1.81 in) | — |
| Weight | 207.5 g with battery and headband | 71 g listed |
| Battery | 21700 | 18650 |
| Max output | 2,700 lm | 3,320 lm |
| Throw | 230 m | 170 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $119.95 at fenixlighting.com, as of Nov 4, 2026 | not verified yet |
| Source | fenixlighting.com sourced Headlamp unit; front view drawn width x height | batteryjunction.com sourced |
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HM71R vs TH30 V2: how they differ
Size and weight
The Fenix HM71R is the shorter light: 106 mm (4.17 in) against 107 mm (4.21 in), a difference of 1 mm (1%). At its widest point the ThruNite TH30 V2 is 20 mm slimmer (25 vs 45 mm). Weights are published on different bases (Fenix HM71R: 207.5 g with battery and headband; ThruNite TH30 V2: 71 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite TH30 V2 is rated brighter: 3,320 lm maximum vs 2,700 lm for the Fenix HM71R, 23% more. For beam distance the Fenix HM71R reaches further: 230 m vs 170 m rated throw (35% more).
Battery
The Fenix HM71R runs on a removable 21700 battery; the ThruNite TH30 V2 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Type
Both are headlamps / right-angle lights in our catalog.
Which should you buy?
Choose the Fenix HM71R if you want longer throw (230 m vs 170 m). Choose the ThruNite TH30 V2 if you want a slimmer profile (20 mm narrower) and more output (3,320 lm vs 2,700 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HM71R Check price ↗ ThruNite TH30 V2
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
HM71R vs TH30 V2 FAQ
Which is smaller, the Fenix HM71R or the ThruNite TH30 V2?
The Fenix HM71R is the shorter light: 106 mm (4.17 in) against 107 mm (4.21 in), a difference of 1 mm (1%). At its widest point the ThruNite TH30 V2 is 20 mm slimmer (25 vs 45 mm). Weights are published on different bases (Fenix HM71R: 207.5 g with battery and headband; ThruNite TH30 V2: 71 g listed), so they are not directly comparable.
Which is brighter, the Fenix HM71R or the ThruNite TH30 V2?
The ThruNite TH30 V2 is rated brighter: 3,320 lm maximum vs 2,700 lm for the Fenix HM71R, 23% more. For beam distance the Fenix HM71R reaches further: 230 m vs 170 m rated throw (35% more).
Do the Fenix HM71R and ThruNite TH30 V2 use the same battery?
The Fenix HM71R runs on a removable 21700 battery; the ThruNite TH30 V2 runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Compare Fenix HM71R with similar lights
Compare ThruNite TH30 V2 with similar lights
More
Sources
- Fenix HM71R: specs from Fenix product page (manufacturer). Price $119.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- ThruNite TH30 V2: specs from manufacturer published specs as listed by batteryjunction.com. No verified price yet.
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