Streamlight ProTac 2L-X USB vs ThruNite TN12 V6 size comparison
The ThruNite TN12 V6 is 3.4 mm (0.14 in) longer than the Streamlight ProTac 2L-X USB, with about the same max diameter/width. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
The ThruNite TN12 V6 is 3.4 mm (0.14 in) longer than the Streamlight ProTac 2L-X USB, with about the same max diameter/width. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
Dimensions
| Streamlight ProTac 2L-X USB Check price ↗ | ThruNite TN12 V6 Check price ↗ | |
| Length | 130.6 mm (5.14 in) | 134 mm (5.28 in)+3.4 mm |
| Head / width | 26.9 mm (1.06 in) | 27 mm (1.06 in)+0.1 mm |
| Body | 23.9 mm (0.94 in) | 24 mm (0.94 in)+0.1 mm |
| Weight | 125 g with battery | 88 g listed (battery unspecified) |
| Battery | 18650 / 2x CR123A | 18650 |
| Max output | 500 lm | 1,950 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $83.05 at batteryjunction.com, as of Nov 4, 2026 | $39.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | batteryjunction.com sourced |
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ProTac 2L-X USB vs TN12 V6: how they differ
Size and weight
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 134 mm (5.28 in), a difference of 3.4 mm (3%). At their widest points they are about the same (26.9 vs 27 mm). Weights are published on different bases (Streamlight ProTac 2L-X USB: 125 g with battery; ThruNite TN12 V6: 88 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The ThruNite TN12 V6 is rated brighter: 1,950 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 290% more.
Battery
The Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries; the ThruNite TN12 V6 runs on a removable 18650 battery.
Price
When we checked on Nov 4, 2026, the Streamlight ProTac 2L-X USB was $83.05 at batteryjunction.com and the ThruNite TN12 V6 $39.99 at batteryjunction.com, so the ThruNite TN12 V6 cost $43.06 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 Streamlight ProTac 2L-X USB if you want a shorter light (3.4 mm shorter). Choose the ThruNite TN12 V6 if you want more output (1,950 lm vs 500 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Streamlight ProTac 2L-X USB Check price ↗ ThruNite TN12 V6
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ProTac 2L-X USB vs TN12 V6 FAQ
Which is smaller, the Streamlight ProTac 2L-X USB or the ThruNite TN12 V6?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 134 mm (5.28 in), a difference of 3.4 mm (3%). At their widest points they are about the same (26.9 vs 27 mm). Weights are published on different bases (Streamlight ProTac 2L-X USB: 125 g with battery; ThruNite TN12 V6: 88 g listed (battery unspecified)), so they are not directly comparable.
Which is brighter, the Streamlight ProTac 2L-X USB or the ThruNite TN12 V6?
The ThruNite TN12 V6 is rated brighter: 1,950 lm maximum vs 500 lm for the Streamlight ProTac 2L-X USB, 290% more.
Which is cheaper, the Streamlight ProTac 2L-X USB or the ThruNite TN12 V6?
When we checked on Nov 4, 2026, the Streamlight ProTac 2L-X USB was $83.05 at batteryjunction.com and the ThruNite TN12 V6 $39.99 at batteryjunction.com, so the ThruNite TN12 V6 cost $43.06 less. Prices change often, so check the current price before you buy.
Do the Streamlight ProTac 2L-X USB and ThruNite TN12 V6 use the same battery?
The Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries; the ThruNite TN12 V6 runs on a removable 18650 battery.
Compare Streamlight ProTac 2L-X USB with similar lights
Compare ThruNite TN12 V6 with similar lights
More
Sources
- Streamlight ProTac 2L-X USB: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $83.05 from batteryjunction.com, checked Nov 4, 2026; prices change often.
- ThruNite TN12 V6: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $39.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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