Comparison Console
Acebeam L16 2.0 vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam L16 2.0 stands out as the lightest option for weight, with about a 3% gap from the closest alternative. Acebeam L16 2.0 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 71% gap from the closest alternative.
Decision Signals
What stands out
Acebeam L16 2.0 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 19% gap from the closest alternative.
Acebeam L16 2.0 stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
Acebeam L16 2.0 stands out as the lowest output option for max lumens, with about a 42% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 71% gap from the closest alternative.
Acebeam L16 2.0 stands out as the shortest option for length.
Fenix TK21R stands out as the longest option for length.
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
US$109.9Cheapest
US$130.43Most expensive
Weight
214 g (7.55 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
153.2 mm (6.03 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
2100 lmLowest output
3600 lmHighest output
Max candela
Unknown
Unknown
Beam distance
670 m (2198 ft)Highest
480 m (1575 ft)Lowest
Max runtime
Unknown
4350 min
Power & durability
Battery type
21700 rechargeable lithium-ion
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
A6061-T6 aluminum alloy
Aluminum alloy A6061-T6
Use case profile
Best for
Long range tactical useProfessional usersEDC in cargo pants or jacket pocketQuick scenario switching without tailcap removal
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Bright and long distance beamUser-friendly interface with straightforward button functionsLightweight and durableSupports USB-C charging with convenient tail switch functionalityIncludes high-quality 21700 battery
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Belt clip rated as hard to use
Larger size compared to some EDC flashlightsNo detailed mode descriptions available