Nitecore MH12 Pro vs Streamlight ProTac 2L-X USB size comparison
The Streamlight ProTac 2L-X USB is 7.8 mm (0.31 in) shorter than the Nitecore MH12 Pro, with about the same max diameter/width. Weights are published on different bases (with battery vs listed (battery unspecified)), so compare them with care.
The Streamlight ProTac 2L-X USB is 7.8 mm (0.31 in) shorter than the Nitecore MH12 Pro, with about the same max diameter/width. Weights are published on different bases (with battery vs listed (battery unspecified)), so compare them with care.
Dimensions
| Nitecore MH12 Pro Check price ↗ | Streamlight ProTac 2L-X USB Check price ↗ | |
| Length | 138.4 mm (5.45 in) | 130.6 mm (5.14 in)−7.8 mm |
| Head / width | 26.9 mm (1.06 in) | 26.9 mm (1.06 in)same |
| Body | 25.9 mm (1.02 in) | 23.9 mm (0.94 in)−2 mm |
| Weight | 82 g listed (battery unspecified) | 125 g with battery |
| Battery | 21700 | 18650 / 2x CR123A |
| Max output | 3,300 lm | 500 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $89.95 at nitecorestore.com, as of Nov 4, 2026 | $83.05 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 ProTac 2L-X USB: how they differ
Size and weight
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 138.4 mm (5.45 in), a difference of 7.8 mm (6%). At their widest points they are about the same (26.9 vs 26.9 mm). Weights are published on different bases (Nitecore MH12 Pro: 82 g listed (battery unspecified); Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Brightness and throw
The Nitecore MH12 Pro is rated brighter: 3,300 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 560% more.
Battery
The Nitecore MH12 Pro runs on a removable 21700 battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. 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 Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $6.90 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 more output (3,300 lm vs 500 lm). Choose the Streamlight ProTac 2L-X USB if you want a shorter light (7.8 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 ↗ Streamlight ProTac 2L-X USB
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MH12 Pro vs ProTac 2L-X USB FAQ
Which is smaller, the Nitecore MH12 Pro or the Streamlight ProTac 2L-X USB?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 138.4 mm (5.45 in), a difference of 7.8 mm (6%). At their widest points they are about the same (26.9 vs 26.9 mm). Weights are published on different bases (Nitecore MH12 Pro: 82 g listed (battery unspecified); Streamlight ProTac 2L-X USB: 125 g with battery), so they are not directly comparable.
Which is brighter, the Nitecore MH12 Pro or the Streamlight ProTac 2L-X USB?
The Nitecore MH12 Pro is rated brighter: 3,300 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 560% more.
Which is cheaper, the Nitecore MH12 Pro or the Streamlight ProTac 2L-X USB?
When we checked on Nov 4, 2026, the Nitecore MH12 Pro was $89.95 at nitecorestore.com and the Streamlight ProTac 2L-X USB $83.05 at batteryjunction.com, so the Streamlight ProTac 2L-X USB cost $6.90 less. Prices change often, so check the current price before you buy.
Do the Nitecore MH12 Pro and Streamlight ProTac 2L-X USB use the same battery?
The Nitecore MH12 Pro runs on a removable 21700 battery; the Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries. 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 Streamlight ProTac 2L-X USB with similar lights
More
Sources
- Nitecore MH12 Pro: specs from manufacturer published specs as listed by nitecorestore.com. Price $89.95 from nitecorestore.com, checked Nov 4, 2026; prices change often.
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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