Fenix E20 V2.0 AA vs Wurkkos FC12C size comparison
The Wurkkos FC12C is 9.5 mm (0.37 in) longer than the Fenix E20 V2.0 AA, and 3 mm wider at its widest point. Weights are published on different bases (listed (battery unspecified) vs without battery), so compare them with care.
The Wurkkos FC12C is 9.5 mm (0.37 in) longer than the Fenix E20 V2.0 AA, and 3 mm wider at its widest point. Weights are published on different bases (listed (battery unspecified) vs without battery), so compare them with care.
Dimensions
| Fenix E20 V2.0 AA Check price ↗ | Wurkkos FC12C Check price ↗ | |
| Length | 127 mm (5.00 in) | 136.5 mm (5.37 in)+9.5 mm |
| Head / width | 21 mm (0.83 in) | 24 mm (0.94 in)+3 mm |
| Body | 16.8 mm (0.66 in) | — |
| Weight | 42 g without battery | 85 g listed (battery unspecified) |
| Battery | 2x AA | 21700 |
| Max output | 350 lm | — |
| Throw | 126 m | — |
| Type | EDC | EDC |
| Price | $44.95 at fenixlighting.com, as of Nov 4, 2026 | $35.99 at flashlightgo.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | flashlightgo.com sourced Only head diameter listed |
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E20 V2.0 AA vs FC12C: how they differ
Size and weight
The Fenix E20 V2.0 AA is the shorter light: 127 mm (5.00 in) against 136.5 mm (5.37 in), a difference of 9.5 mm (7%). At its widest point the Fenix E20 V2.0 AA is 3 mm slimmer (21 vs 24 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Brightness and throw
The Fenix E20 V2.0 AA is rated at 350 lm; we have no published maximum for the Wurkkos FC12C.
Battery
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the Wurkkos FC12C runs on a removable 21700 battery. For scale, a AA cell is about 14.5 × 50.5 mm and a 21700 about 21 × 70 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix E20 V2.0 AA was $44.95 at fenixlighting.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 Fenix E20 V2.0 AA if you want a shorter light (9.5 mm shorter) and a slimmer profile (3 mm narrower). On the specs we track, the Fenix E20 V2.0 AA is ahead or level everywhere; the Wurkkos FC12C makes sense mainly if its price, interface or a feature we don't track suits you better. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E20 V2.0 AA Check price ↗ Wurkkos FC12C
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E20 V2.0 AA vs FC12C FAQ
Which is smaller, the Fenix E20 V2.0 AA or the Wurkkos FC12C?
The Fenix E20 V2.0 AA is the shorter light: 127 mm (5.00 in) against 136.5 mm (5.37 in), a difference of 9.5 mm (7%). At its widest point the Fenix E20 V2.0 AA is 3 mm slimmer (21 vs 24 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; Wurkkos FC12C: 85 g listed (battery unspecified)), so they are not directly comparable.
Which is cheaper, the Fenix E20 V2.0 AA or the Wurkkos FC12C?
When we checked on Nov 4, 2026, the Fenix E20 V2.0 AA was $44.95 at fenixlighting.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 Fenix E20 V2.0 AA and Wurkkos FC12C use the same battery?
The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the Wurkkos FC12C runs on a removable 21700 battery. For scale, a AA cell is about 14.5 × 50.5 mm and a 21700 about 21 × 70 mm (nominal).
Compare Fenix E20 V2.0 AA with similar lights
Compare Wurkkos FC12C with similar lights
More
Sources
- Fenix E20 V2.0 AA: specs from Fenix product page (manufacturer). Price $44.95 from fenixlighting.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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