Fenix E12 V3.0 vs Fenix E18R V2.0 size comparison
The Fenix E18R V2.0 is 14.5 mm (0.57 in) shorter than the Fenix E12 V3.0, and 2.7 mm wider at its widest point. It is 2 g heavier (with battery).
The Fenix E18R V2.0 is 14.5 mm (0.57 in) shorter than the Fenix E12 V3.0, and 2.7 mm wider at its widest point. It is 2 g heavier (with battery).
Dimensions
| Fenix E12 V3.0 Check price ↗ | Fenix E18R V2.0 Check price ↗ | |
| Length | 81.5 mm (3.21 in) | 67 mm (2.64 in)−14.5 mm |
| Head / width | 19.3 mm (0.76 in) | 22 mm (0.87 in)+2.7 mm |
| Body | 17.4 mm (0.69 in) | 22 mm (0.87 in)+4.6 mm |
| Weight | 53.9 g with battery | 56 g with battery+2 g |
| Battery | AA | 16340 |
| Max output | 200 lm | 1,200 lm |
| Throw | 78 m | 146 m |
| Type | EDC | EDC |
| Price | $29.95 at fenixlighting.com, as of Nov 4, 2026 | $59.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | fenixlighting.com sourced |
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E12 V3.0 vs E18R V2.0: how they differ
Size and weight
The Fenix E18R V2.0 is the shorter light: 67 mm (2.64 in) against 81.5 mm (3.21 in), a difference of 14.5 mm (18%). At its widest point the Fenix E12 V3.0 is 2.7 mm slimmer (19.3 vs 22 mm). The Fenix E12 V3.0 is 2 g lighter (53.9 g vs 56 g, with battery).
Brightness and throw
The Fenix E18R V2.0 is rated brighter: 1,200 lm maximum vs 200 lm for the Fenix E12 V3.0, 500% more. For beam distance the Fenix E18R V2.0 reaches further: 146 m vs 78 m rated throw (87% more).
Battery
The Fenix E12 V3.0 runs on a removable AA battery; the Fenix E18R V2.0 runs on a removable 16340 battery. For scale, a AA cell is about 14.5 × 50.5 mm and a 16340 about 16 × 34 mm (nominal).
Price
When we checked on Nov 4, 2026, the Fenix E12 V3.0 was $29.95 at fenixlighting.com and the Fenix E18R V2.0 $59.95 at fenixlighting.com, so the Fenix E12 V3.0 cost $30.00 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 E12 V3.0 if you want a slimmer profile (2.7 mm narrower). Choose the Fenix E18R V2.0 if you want a shorter light (14.5 mm shorter), more output (1,200 lm vs 200 lm) and longer throw (146 m vs 78 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix E12 V3.0 Check price ↗ Fenix E18R V2.0
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
E12 V3.0 vs E18R V2.0 FAQ
Which is smaller, the Fenix E12 V3.0 or the Fenix E18R V2.0?
The Fenix E18R V2.0 is the shorter light: 67 mm (2.64 in) against 81.5 mm (3.21 in), a difference of 14.5 mm (18%). At its widest point the Fenix E12 V3.0 is 2.7 mm slimmer (19.3 vs 22 mm). The Fenix E12 V3.0 is 2 g lighter (53.9 g vs 56 g, with battery).
Which is brighter, the Fenix E12 V3.0 or the Fenix E18R V2.0?
The Fenix E18R V2.0 is rated brighter: 1,200 lm maximum vs 200 lm for the Fenix E12 V3.0, 500% more. For beam distance the Fenix E18R V2.0 reaches further: 146 m vs 78 m rated throw (87% more).
Which is cheaper, the Fenix E12 V3.0 or the Fenix E18R V2.0?
When we checked on Nov 4, 2026, the Fenix E12 V3.0 was $29.95 at fenixlighting.com and the Fenix E18R V2.0 $59.95 at fenixlighting.com, so the Fenix E12 V3.0 cost $30.00 less. Prices change often, so check the current price before you buy.
Do the Fenix E12 V3.0 and Fenix E18R V2.0 use the same battery?
The Fenix E12 V3.0 runs on a removable AA battery; the Fenix E18R V2.0 runs on a removable 16340 battery. For scale, a AA cell is about 14.5 × 50.5 mm and a 16340 about 16 × 34 mm (nominal).
Compare Fenix E12 V3.0 with similar lights
Compare Fenix E18R V2.0 with similar lights
More
Sources
- Fenix E12 V3.0: specs from Fenix product page (manufacturer). Price $29.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- Fenix E18R V2.0: specs from Fenix product page (manufacturer). Price $59.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
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