Fenix E20 V2.0 AA vs Fenix LD12R size comparison

E20 V2.0 AA vs LD12R: how they differ

Size and weight

The Fenix LD12R is the shorter light: 121 mm (4.76 in) against 127 mm (5.00 in), a difference of 6 mm (5%). At its widest point the Fenix E20 V2.0 AA is 1 mm slimmer (21 vs 22 mm). Weights are published on different bases (Fenix E20 V2.0 AA: 42 g without battery; Fenix LD12R: 74 g with battery), so they are not directly comparable.

Brightness and throw

The Fenix LD12R is rated brighter: 600 lm maximum vs 350 lm for the Fenix E20 V2.0 AA, 71% more. For beam distance the Fenix LD12R reaches further: 186 m vs 126 m rated throw (48% more).

Battery

The Fenix E20 V2.0 AA runs on removable 2x AA batteries; the Fenix LD12R runs on a removable 14500 battery. For scale, a AA cell is about 14.5 × 50.5 mm and a 14500 about 14 × 50 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix E20 V2.0 AA was $44.95 at fenixlighting.com and the Fenix LD12R $59.95 at fenixlighting.com, so the Fenix E20 V2.0 AA cost $15.00 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 LD12R if you want a shorter light (6 mm shorter), more output (600 lm vs 350 lm) and longer throw (186 m vs 126 m). On the specs we track, the Fenix LD12R is ahead or level everywhere; the Fenix E20 V2.0 AA 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 ↗ Fenix LD12R

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