Emisar D3AA vs Fenix E18R V2.0 size comparison
The Fenix E18R V2.0 is 12 mm (0.47 in) shorter than the Emisar D3AA, and 2 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
The Fenix E18R V2.0 is 12 mm (0.47 in) shorter than the Emisar D3AA, and 2 mm narrower at its widest point. Weights are published on different bases (with battery vs without battery), so compare them with care.
Dimensions
| Emisar D3AA Check price ↗ | Fenix E18R V2.0 Check price ↗ | |
| Length | 79 mm (3.11 in) | 67 mm (2.64 in)−12 mm |
| Head / width | 24 mm (0.94 in) | 22 mm (0.87 in)−2 mm |
| Body | 19 mm (0.75 in) | 22 mm (0.87 in)+3 mm |
| Weight | 36 g without battery | 56 g with battery |
| Battery | 14500 / AA | 16340 |
| Max output | — | 1,200 lm |
| Throw | — | 146 m |
| Type | EDC | EDC |
| Price | $35.81 at intl-outdoor.com, as of Nov 4, 2026 | $59.95 at fenixlighting.com, as of Nov 4, 2026 |
| Source | intl-outdoor.com sourced Output depends on LED option | fenixlighting.com sourced |
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D3AA 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 79 mm (3.11 in), a difference of 12 mm (15%). At its widest point the Fenix E18R V2.0 is 2 mm slimmer (22 vs 24 mm). Weights are published on different bases (Emisar D3AA: 36 g without battery; Fenix E18R V2.0: 56 g with battery), so they are not directly comparable.
Brightness and throw
The Fenix E18R V2.0 is rated at 1,200 lm; we have no published maximum for the Emisar D3AA. Output for the Emisar D3AA depends on the LED option chosen.
Battery
The Emisar D3AA runs on removable 14500 / AA batteries; the Fenix E18R V2.0 runs on a removable 16340 battery. For scale, a 14500 cell is about 14 × 50 mm and a 16340 about 16 × 34 mm (nominal).
Price
When we checked on Nov 4, 2026, the Emisar D3AA was $35.81 at intl-outdoor.com and the Fenix E18R V2.0 $59.95 at fenixlighting.com, so the Emisar D3AA cost $24.14 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 E18R V2.0 if you want a shorter light (12 mm shorter) and a slimmer profile (2 mm narrower). On the specs we track, the Fenix E18R V2.0 is ahead or level everywhere; the Emisar D3AA 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 ↗ Emisar D3AA 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
D3AA vs E18R V2.0 FAQ
Which is smaller, the Emisar D3AA or the Fenix E18R V2.0?
The Fenix E18R V2.0 is the shorter light: 67 mm (2.64 in) against 79 mm (3.11 in), a difference of 12 mm (15%). At its widest point the Fenix E18R V2.0 is 2 mm slimmer (22 vs 24 mm). Weights are published on different bases (Emisar D3AA: 36 g without battery; Fenix E18R V2.0: 56 g with battery), so they are not directly comparable.
Which is cheaper, the Emisar D3AA or the Fenix E18R V2.0?
When we checked on Nov 4, 2026, the Emisar D3AA was $35.81 at intl-outdoor.com and the Fenix E18R V2.0 $59.95 at fenixlighting.com, so the Emisar D3AA cost $24.14 less. Prices change often, so check the current price before you buy.
Do the Emisar D3AA and Fenix E18R V2.0 use the same battery?
The Emisar D3AA runs on removable 14500 / AA batteries; the Fenix E18R V2.0 runs on a removable 16340 battery. For scale, a 14500 cell is about 14 × 50 mm and a 16340 about 16 × 34 mm (nominal).
Compare Emisar D3AA with similar lights
Compare Fenix E18R V2.0 with similar lights
More
Sources
- Emisar D3AA: specs from Emisar product page (manufacturer). Price $35.81 from intl-outdoor.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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