Fenix TK05R vs Fenix TK16 V2.0 size comparison

TK05R vs TK16 V2.0: how they differ

Size and weight

The Fenix TK05R is the shorter light: 115 mm (4.53 in) against 143 mm (5.63 in), a difference of 28 mm (20%). 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 TK16 V2.0: 112 g without battery), so they are not directly comparable.

Brightness and throw

The Fenix TK16 V2.0 is rated brighter: 3,100 lm maximum vs 1,000 lm for the Fenix TK05R, 210% more. For beam distance the Fenix TK05R reaches further: 450 m vs 380 m rated throw (18% more).

Battery

The Fenix TK05R runs on a removable 18350 battery; the Fenix TK16 V2.0 runs on a removable 21700 battery. For scale, a 18350 cell is about 18 × 35 mm and a 21700 about 21 × 70 mm (nominal).

Price

When we checked on Nov 4, 2026, the Fenix TK05R was $79.95 at fenixlighting.com and the Fenix TK16 V2.0 $99.95 at fenixlighting.com, so the Fenix TK05R cost $20.00 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 (28 mm shorter), a slimmer profile (2 mm narrower) and longer throw (450 m vs 380 m). Choose the Fenix TK16 V2.0 if you want more output (3,100 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 TK16 V2.0

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