Convoy M21H vs Wurkkos FC12C size comparison
The Wurkkos FC12C is 5.7 mm (0.22 in) longer than the Convoy M21H, and 16 mm narrower at its widest point.
The Wurkkos FC12C is 5.7 mm (0.22 in) longer than the Convoy M21H, and 16 mm narrower at its widest point.
Dimensions
| Convoy M21H Check price ↗ | Wurkkos FC12C Check price ↗ | |
| Length | 130.8 mm (5.15 in) | 136.5 mm (5.37 in)+5.7 mm |
| Head / width | 40 mm (1.57 in) | 24 mm (0.94 in)−16 mm |
| Body | 27 mm (1.06 in) | — |
| Tail | 28.5 mm (1.12 in) | — |
| Weight | — | 85 g listed (battery unspecified) |
| Battery | 21700 | 21700 |
| Max output | — | — |
| Throw | — | — |
| Type | EDC | EDC |
| Price | from $44.95 at nealsgadgets.com, as of Nov 4, 2026 | $35.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | nealsgadgets.com sourced | flashlightgo.com sourced Only head diameter listed |
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M21H vs FC12C: how they differ
Size and weight
The Convoy M21H is the shorter light: 130.8 mm (5.15 in) against 136.5 mm (5.37 in), a difference of 5.7 mm (4%). At its widest point the Wurkkos FC12C is 16 mm slimmer (24 vs 40 mm).
Battery
Both run on a removable 21700 battery, so spare cells work in either light.
Price
When we checked on Nov 4, 2026, the Convoy M21H was from $44.95 at nealsgadgets.com and the Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $8.96 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 Convoy M21H if you want a shorter light (5.7 mm shorter). Choose the Wurkkos FC12C if you want a slimmer profile (16 mm narrower). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Convoy M21H Check price ↗ Wurkkos FC12C
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
M21H vs FC12C FAQ
Which is smaller, the Convoy M21H or the Wurkkos FC12C?
The Convoy M21H is the shorter light: 130.8 mm (5.15 in) against 136.5 mm (5.37 in), a difference of 5.7 mm (4%). At its widest point the Wurkkos FC12C is 16 mm slimmer (24 vs 40 mm).
Which is cheaper, the Convoy M21H or the Wurkkos FC12C?
When we checked on Nov 4, 2026, the Convoy M21H was from $44.95 at nealsgadgets.com and the Wurkkos FC12C $35.99 at flashlightgo.com, so the Wurkkos FC12C cost $8.96 less. Prices change often, so check the current price before you buy.
Do the Convoy M21H and Wurkkos FC12C use the same battery?
Both run on a removable 21700 battery, so spare cells work in either light.
Compare Convoy M21H with similar lights
Compare Wurkkos FC12C with similar lights
More
Sources
- Convoy M21H: specs from manufacturer published specs as listed by nealsgadgets.com. Price from $44.95 from nealsgadgets.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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