Streamlight ProTac 2L-X USB vs Wurkkos FC12C size comparison
The Wurkkos FC12C is 5.9 mm (0.23 in) longer than the Streamlight ProTac 2L-X USB, and 2.9 mm narrower at its widest point. Weights are published on different bases (listed (battery unspecified) vs with battery), so compare them with care.
The Wurkkos FC12C is 5.9 mm (0.23 in) longer than the Streamlight ProTac 2L-X USB, and 2.9 mm narrower at its widest point. 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 ↗ | Wurkkos FC12C Check price ↗ | |
| Length | 130.6 mm (5.14 in) | 136.5 mm (5.37 in)+5.9 mm |
| Head / width | 26.9 mm (1.06 in) | 24 mm (0.94 in)−2.9 mm |
| Body | 23.9 mm (0.94 in) | — |
| Weight | 125 g with battery | 85 g listed (battery unspecified) |
| Battery | 18650 / 2x CR123A | 21700 |
| Max output | 500 lm | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $83.05 at batteryjunction.com, as of Nov 4, 2026 | $35.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced | flashlightgo.com sourced Only head diameter listed |
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ProTac 2L-X USB vs FC12C: how they differ
Size and weight
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136.5 mm (5.37 in), a difference of 5.9 mm (4%). At its widest point the Wurkkos FC12C is 2.9 mm slimmer (24 vs 26.9 mm). Weights are published on different bases (Streamlight ProTac 2L-X USB: 125 g with battery; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The Streamlight ProTac 2L-X USB is rated at 500 lm; we have no published maximum for the Wurkkos FC12C.
Battery
The Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries; the Wurkkos FC12C runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Price
When we checked on Nov 4, 2026, the Streamlight ProTac 2L-X USB was $83.05 at batteryjunction.com and the Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $47.06 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 (5.9 mm shorter). Choose the Wurkkos FC12C if you want a slimmer profile (2.9 mm narrower). 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 ↗ Wurkkos FC12C
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
ProTac 2L-X USB vs FC12C FAQ
Which is smaller, the Streamlight ProTac 2L-X USB or the Wurkkos FC12C?
The Streamlight ProTac 2L-X USB is the shorter light: 130.6 mm (5.14 in) against 136.5 mm (5.37 in), a difference of 5.9 mm (4%). At its widest point the Wurkkos FC12C is 2.9 mm slimmer (24 vs 26.9 mm). Weights are published on different bases (Streamlight ProTac 2L-X USB: 125 g with battery; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Which is cheaper, the Streamlight ProTac 2L-X USB or the Wurkkos FC12C?
When we checked on Nov 4, 2026, the Streamlight ProTac 2L-X USB was $83.05 at batteryjunction.com and the Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $47.06 less. Prices change often, so check the current price before you buy.
Do the Streamlight ProTac 2L-X USB and Wurkkos FC12C use the same battery?
The Streamlight ProTac 2L-X USB runs on removable 18650 / 2x CR123A batteries; the Wurkkos FC12C runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).
Compare Streamlight ProTac 2L-X USB with similar lights
Compare Wurkkos FC12C with similar lights
More
Sources
- 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.
- Wurkkos FC12C: specs from manufacturer published specs as listed by flashlightgo.com. Price $35.99 from flashlightgo.com, checked Nov 4, 2026; prices change often.
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