Nitecore MH12 Pro vs RovyVon S3 Pro size comparison
The RovyVon S3 Pro is 19.4 mm (0.76 in) shorter than the Nitecore MH12 Pro, and 2.1 mm wider at its widest point. Weights are published on different bases (listed vs listed (battery unspecified)), so compare them with care.
The RovyVon S3 Pro is 19.4 mm (0.76 in) shorter than the Nitecore MH12 Pro, and 2.1 mm wider at its widest point. Weights are published on different bases (listed vs listed (battery unspecified)), so compare them with care.
Dimensions
| Nitecore MH12 Pro Check price ↗ | RovyVon S3 Pro Check price ↗ | |
| Length | 138.4 mm (5.45 in) | 119 mm (4.69 in)−19.4 mm |
| Head / width | 26.9 mm (1.06 in) | 29 mm (1.14 in)+2.1 mm |
| Body | 25.9 mm (1.02 in) | 29 mm (1.14 in)+3.1 mm |
| Weight | 82 g listed (battery unspecified) | 150 g listed |
| Battery | 21700 | 18650 |
| Max output | 3,300 lm | 2,800 lm |
| Throw | — | 130 m |
| Type | EDC | EDC |
| Price | $89.95 at nitecorestore.com, as of Nov 4, 2026 | from $79.95 at batteryjunction.com, as of Nov 4, 2026 |
| Source | nitecorestore.com sourced Listed L-5.45" x W-1.02" x H-1.06" (head 1.06", body 1.02"), 2.89 oz; converted | batteryjunction.com sourced |
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MH12 Pro vs S3 Pro: how they differ
Size and weight
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 138.4 mm (5.45 in), a difference of 19.4 mm (14%). At its widest point the Nitecore MH12 Pro is 2.1 mm slimmer (26.9 vs 29 mm). Weights are published on different bases (Nitecore MH12 Pro: 82 g listed (battery unspecified); RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Brightness and throw
The Nitecore MH12 Pro is rated brighter: 3,300 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 18% more.
Battery
The Nitecore MH12 Pro runs on a removable 21700 battery; the RovyVon S3 Pro runs on a removable 18650 battery. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).
Price
When we checked on Nov 4, 2026, the Nitecore MH12 Pro was $89.95 at nitecorestore.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $10.00 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog with a tube body.
Which should you buy?
Choose the Nitecore MH12 Pro if you want a slimmer profile (2.1 mm narrower) and more output (3,300 lm vs 2,800 lm). Choose the RovyVon S3 Pro if you want a shorter light (19.4 mm shorter). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Nitecore MH12 Pro Check price ↗ RovyVon S3 Pro
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MH12 Pro vs S3 Pro FAQ
Which is smaller, the Nitecore MH12 Pro or the RovyVon S3 Pro?
The RovyVon S3 Pro is the shorter light: 119 mm (4.69 in) against 138.4 mm (5.45 in), a difference of 19.4 mm (14%). At its widest point the Nitecore MH12 Pro is 2.1 mm slimmer (26.9 vs 29 mm). Weights are published on different bases (Nitecore MH12 Pro: 82 g listed (battery unspecified); RovyVon S3 Pro: 150 g listed), so they are not directly comparable.
Which is brighter, the Nitecore MH12 Pro or the RovyVon S3 Pro?
The Nitecore MH12 Pro is rated brighter: 3,300 lm maximum vs 2,800 lm for the RovyVon S3 Pro, 18% more.
Which is cheaper, the Nitecore MH12 Pro or the RovyVon S3 Pro?
When we checked on Nov 4, 2026, the Nitecore MH12 Pro was $89.95 at nitecorestore.com and the RovyVon S3 Pro from $79.95 at batteryjunction.com, so the RovyVon S3 Pro cost $10.00 less. Prices change often, so check the current price before you buy.
Do the Nitecore MH12 Pro and RovyVon S3 Pro use the same battery?
The Nitecore MH12 Pro runs on a removable 21700 battery; the RovyVon S3 Pro 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 Nitecore MH12 Pro with similar lights
Compare RovyVon S3 Pro with similar lights
More
Sources
- Nitecore MH12 Pro: specs from manufacturer published specs as listed by nitecorestore.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $89.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
- RovyVon S3 Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price from $79.95 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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