Acebeam Defender P16 vs Fenix TK26R size comparison

Defender P16 vs TK26R: how they differ

Size and weight

The Acebeam Defender P16 is the shorter light: 131 mm (5.16 in) against 150 mm (5.91 in), a difference of 19 mm (13%). At its widest point the Acebeam Defender P16 is 8 mm slimmer (32 vs 40 mm). Weights are published on different bases (Acebeam Defender P16: 156 g listed; Fenix TK26R: 157 g without battery), so they are not directly comparable.

Brightness and throw

The Acebeam Defender P16 is rated brighter: 1,800 lm maximum vs 1,500 lm for the Fenix TK26R, 20% more. For beam distance the Acebeam Defender P16 reaches further: 484 m vs 350 m rated throw (38% more).

Battery

The Acebeam Defender P16 runs on a removable 18650 battery; the Fenix TK26R runs on removable 18650 / 2x CR123A batteries.

Price

When we checked on Nov 4, 2026, the Acebeam Defender P16 was $79.95 at batteryjunction.com and the Fenix TK26R $129.95 at fenixlighting.com, so the Acebeam Defender P16 cost $50.00 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 Acebeam Defender P16 if you want a shorter light (19 mm shorter), a slimmer profile (8 mm narrower), more output (1,800 lm vs 1,500 lm) and longer throw (484 m vs 350 m). On the specs we track, the Acebeam Defender P16 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 ↗ Acebeam Defender P16 Check price ↗ Fenix TK26R

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