Fenix HM61R V2.0 vs ThruNite TH30 V2 size comparison
The ThruNite TH30 V2 is 6 mm (0.24 in) longer than the Fenix HM61R V2.0, and 11 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 6 mm (0.24 in) longer than the Fenix HM61R V2.0, and 11 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 HM61R V2.0 Check price ↗ | ThruNite TH30 V2 Check price ↗ | |
| Length | 101 mm (3.98 in) | 107 mm (4.21 in)+6 mm |
| Head / width | 36 mm (1.42 in) | 25 mm (0.98 in)−11 mm |
| Body | — | 24 mm (0.94 in) |
| Thickness | 45 mm (1.77 in) | — |
| Weight | 152 g with battery and headband | 71 g listed |
| Battery | 18650 / 2x CR123A | 18650 |
| Max output | 1,600 lm | 3,320 lm |
| Throw | 162 m | 170 m |
| Type | Headlamp / right-angle | Headlamp / right-angle |
| Price | $76.45 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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HM61R V2.0 vs TH30 V2: how they differ
Size and weight
The Fenix HM61R V2.0 is the shorter light: 101 mm (3.98 in) against 107 mm (4.21 in), a difference of 6 mm (6%). At its widest point the ThruNite TH30 V2 is 11 mm slimmer (25 vs 36 mm). Weights are published on different bases (Fenix HM61R V2.0: 152 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 1,600 lm for the Fenix HM61R V2.0, 108% more. For beam distance the ThruNite TH30 V2 reaches further: 170 m vs 162 m rated throw (5% more).
Battery
The Fenix HM61R V2.0 runs on removable 18650 / 2x CR123A batteries; the ThruNite TH30 V2 runs on a removable 18650 battery.
Type
Both are headlamps / right-angle lights in our catalog.
Which should you buy?
Choose the Fenix HM61R V2.0 if you want a shorter light (6 mm shorter). Choose the ThruNite TH30 V2 if you want a slimmer profile (11 mm narrower) and more output (3,320 lm vs 1,600 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix HM61R V2.0 Check price ↗ ThruNite TH30 V2
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HM61R V2.0 vs TH30 V2 FAQ
Which is smaller, the Fenix HM61R V2.0 or the ThruNite TH30 V2?
The Fenix HM61R V2.0 is the shorter light: 101 mm (3.98 in) against 107 mm (4.21 in), a difference of 6 mm (6%). At its widest point the ThruNite TH30 V2 is 11 mm slimmer (25 vs 36 mm). Weights are published on different bases (Fenix HM61R V2.0: 152 g with battery and headband; ThruNite TH30 V2: 71 g listed), so they are not directly comparable.
Which is brighter, the Fenix HM61R V2.0 or the ThruNite TH30 V2?
The ThruNite TH30 V2 is rated brighter: 3,320 lm maximum vs 1,600 lm for the Fenix HM61R V2.0, 108% more. For beam distance the ThruNite TH30 V2 reaches further: 170 m vs 162 m rated throw (5% more).
Do the Fenix HM61R V2.0 and ThruNite TH30 V2 use the same battery?
The Fenix HM61R V2.0 runs on removable 18650 / 2x CR123A batteries; the ThruNite TH30 V2 runs on a removable 18650 battery.
Compare Fenix HM61R V2.0 with similar lights
Compare ThruNite TH30 V2 with similar lights
More
Sources
- Fenix HM61R V2.0: specs from Fenix product page (manufacturer). Price $76.45 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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