Acebeam Defender P16 vs Fenix TK11R size comparison

Defender P16 vs TK11R: how they differ

Size and weight

The Acebeam Defender P16 is the shorter light: 131 mm (5.16 in) against 145.5 mm (5.73 in), a difference of 14.5 mm (10%). At its widest point the Acebeam Defender P16 is 2 mm slimmer (32 vs 34 mm). Weights are published on different bases (Acebeam Defender P16: 156 g listed; Fenix TK11R: 117.5 g without battery), so they are not directly comparable.

Brightness and throw

The Acebeam Defender P16 is rated brighter: 1,800 lm maximum vs 1,600 lm for the Fenix TK11R, 13% more. For beam distance the Acebeam Defender P16 reaches further: 484 m vs 420 m rated throw (15% more).

Battery

The Acebeam Defender P16 runs on a removable 18650 battery; the Fenix TK11R 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 TK11R $86.95 at fenixlighting.com, so the Acebeam Defender P16 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 Acebeam Defender P16 if you want a shorter light (14.5 mm shorter), a slimmer profile (2 mm narrower), more output (1,800 lm vs 1,600 lm) and longer throw (484 m vs 420 m). On the specs we track, the Acebeam Defender P16 is ahead or level everywhere; the Fenix TK11R 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 TK11R

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