Fenix LD35R vs Fenix LD36R size comparison

LD35R vs LD36R: how they differ

Size and weight

The Fenix LD35R is the shorter light: 136.4 mm (5.37 in) against 139.6 mm (5.50 in), a difference of 3.2 mm (2%). At its widest point the Fenix LD35R is 6 mm slimmer (34 vs 40 mm). The Fenix LD35R is 46 g lighter (185 g vs 231 g, with battery).

Brightness and throw

The Fenix LD36R is rated brighter: 3,600 lm maximum vs 1,800 lm for the Fenix LD35R, 100% more. For beam distance the Fenix LD36R reaches further: 385 m vs 337 m rated throw (14% more).

Battery

The Fenix LD35R runs on removable 18650 / 2x CR123A batteries; the Fenix LD36R runs on a removable 21700 battery. For scale, a 18650 cell is about 18 × 65 mm and a 21700 about 21 × 70 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix LD35R was $89.95 at fenixlighting.com and the Fenix LD36R from $114.95 at fenixlighting.com, so the Fenix LD35R cost $25.00 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 LD35R if you want a shorter light (3.2 mm shorter), a slimmer profile (6 mm narrower) and less weight (46 g lighter). Choose the Fenix LD36R if you want more output (3,600 lm vs 1,800 lm) and longer throw (385 m vs 337 m). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Fenix LD35R Check price ↗ Fenix LD36R

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