Comparison Console
Acebeam L16 vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam L16 stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 62% gap from the closest alternative. Fenix TK21R stands out as the longest runtime option for max runtime, with about a 130% gap from the closest alternative.
Decision Signals
What stands out
Acebeam L16 stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Acebeam L16 stands out as the lowest output option for max lumens, with about a 38% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 62% gap from the closest alternative.
Acebeam L16 stands out as the shortest runtime option for max runtime, with about a 57% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 130% gap from the closest alternative.
Fenix TK21R stands out as the shortest throw option for beam distance, with about a 29% gap from the closest alternative.
Acebeam L16 stands out as the longest throw option for beam distance, with about a 41% gap from the closest alternative.
Specification Profile
Relative dimensions at a glance
Each axis is normalized against the largest raw value among the products in this comparison. Farther outward means a larger value, not necessarily a better result. Axes with an unverified value are omitted.
Price & carry
Retail price
Unknown
US$130.43
Weight
218 g (7.69 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
153.3 mm (6.04 in)
153.3 mm (6.04 in)
Output
Max lumens
2220 lmLowest output
3600 lmHighest output
Max candela
114900 cd
Unknown
Beam distance
678 m (2224 ft)Highest
480 m (1575 ft)Lowest
Max runtime
1890 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
1x 21700 Li-ion
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68 (5m)
IP68
Impact resistance
1 m (3 ft)Lowest
1.5 m (5 ft)Highest
Material
HA Type III anodized aluminum (A6061-T6)
Aluminum alloy A6061-T6
Use case profile
Best for
Tactical useHuntingEDC/outdoor use
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Excellent build quality with thick satin anodizingIntuitive and best-in-class user interface with dedicated turbo and momentary turboGood beam quality with tight hotspot suitable for long-range useIncludes useful accessories such as holster, lanyard, spare o-ringsComfortable size and great grip with knurling
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Mode spacing is cramped in upper outputsLockout requires a long hold which can be inconvenient
Larger size compared to some EDC flashlightsNo detailed mode descriptions available