Fenix TK17 vs Fenix TK26R size comparison

TK17 vs TK26R: how they differ

Size and weight

The Fenix TK17 is the shorter light: 148.5 mm (5.85 in) against 150 mm (5.91 in), a difference of 1.5 mm (1%). At its widest point the Fenix TK17 is 4 mm slimmer (36 vs 40 mm). Weights are published on different bases (Fenix TK17: 197.2 g with battery; Fenix TK26R: 157 g without battery), so they are not directly comparable.

Brightness and throw

The Fenix TK17 is rated brighter: 3,600 lm maximum vs 1,500 lm for the Fenix TK26R, 140% more. For beam distance the Fenix TK26R reaches further: 350 m vs 330 m rated throw (6% more).

Battery

The Fenix TK17 runs on its own battery (One included 6000mAh rechargeable li-ion); the Fenix TK26R runs on removable 18650 / 2x CR123A batteries.

Price

When we checked on Nov 4, 2026, the Fenix TK17 was $104.95 at fenixlighting.com and the Fenix TK26R $129.95 at fenixlighting.com, so the Fenix TK17 cost $25.00 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 TK17 if you want a slimmer profile (4 mm narrower) and more output (3,600 lm vs 1,500 lm). On the specs we track, the Fenix TK17 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 TK17 Check price ↗ Fenix TK26R

We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure