Fenix TK05R vs Fenix TK11R size comparison

TK05R vs TK11R: how they differ

Size and weight

The Fenix TK05R is the shorter light: 115 mm (4.53 in) against 145.5 mm (5.73 in), a difference of 30.5 mm (21%). At its widest point the Fenix TK05R is 2 mm slimmer (32 vs 34 mm). Weights are published on different bases (Fenix TK05R: 124 g with battery; Fenix TK11R: 117.5 g without battery), so they are not directly comparable.

Brightness and throw

The Fenix TK11R is rated brighter: 1,600 lm maximum vs 1,000 lm for the Fenix TK05R, 60% more. For beam distance the Fenix TK05R reaches further: 450 m vs 420 m rated throw (7% more).

Battery

The Fenix TK05R runs on a removable 18350 battery; the Fenix TK11R runs on removable 18650 / 2x CR123A batteries. For scale, a 18350 cell is about 18 × 35 mm and a 18650 about 18 × 65 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix TK05R was $79.95 at fenixlighting.com and the Fenix TK11R $86.95 at fenixlighting.com, so the Fenix TK05R cost $7.00 less. Prices change often, so check the current price before you buy.

Type

Both are tactical lights in our catalog with a tube body.

Which should you buy?

Choose the Fenix TK05R if you want a shorter light (30.5 mm shorter) and a slimmer profile (2 mm narrower). Choose the Fenix TK11R if you want more output (1,600 lm vs 1,000 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.

Check price ↗ Fenix TK05R Check price ↗ Fenix TK11R

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