Fenix TK15R vs Fenix TK26R size comparison

TK15R vs TK26R: how they differ

Size and weight

The Fenix TK15R is the shorter light: 149 mm (5.87 in) against 150 mm (5.91 in), a difference of 1 mm (1%). At its widest point the Fenix TK15R is 6 mm slimmer (34 vs 40 mm). Weights are published on different bases (Fenix TK15R: 205.5 g with battery; Fenix TK26R: 157 g without battery), so they are not directly comparable.

Brightness and throw

The Fenix TK15R is rated brighter: 3,200 lm maximum vs 1,500 lm for the Fenix TK26R, 113% more. For beam distance the Fenix TK15R reaches further: 490 m vs 350 m rated throw (40% more).

Battery

The Fenix TK15R runs on a removable 21700 battery; the Fenix TK26R runs on removable 18650 / 2x CR123A batteries. For scale, a 21700 cell is about 21 × 70 mm and a 18650 about 18 × 65 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix TK15R was $119.95 at fenixlighting.com and the Fenix TK26R $129.95 at fenixlighting.com, so the Fenix TK15R cost $10.00 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 TK15R if you want a slimmer profile (6 mm narrower), more output (3,200 lm vs 1,500 lm) and longer throw (490 m vs 350 m). On the specs we track, the Fenix TK15R is ahead or level everywhere; the Fenix TK26R 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 TK15R Check price ↗ Fenix TK26R

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