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 3% gap from the closest alternative. Acebeam L16 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 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 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 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.
Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 86% gap from the closest alternative.
Acebeam L16 stands out as the longest runtime option for max runtime, with about a 590% 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
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
112225 cd
Unknown
Beam distance
670 m (2198 ft)Highest
480 m (1575 ft)Lowest
Max runtime
30000 minLongest runtime
4350 minShortest runtime
Power & durability
Battery type
21700 rechargeable lithium-ion (included); also supports 2x CR123A batteries (do not charge CR123A inside light)
21700 lithium-ion
Charging type
USB-C (supports use while charging)
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 high-quality aluminum alloy with HAIII hard-anodized anti-abrasive and corrosion-resistant finish
Aluminum alloy A6061-T6
Use case profile
Best for
Tactical UseProfessional And Outdoor ApplicationsLong Range IlluminationSearch And Rescue
Tactical UsePatrollingSearch And RescueTraffic InspectionSelf Defense
Common praise
High Build Quality And Durable ConstructionPowerful Maximum Output And Long Beam DistanceConvenient USB C Charging With Simultaneous UseVersatile Dual Switch Interface For Tactical And General UseIncludes High Capacity Rechargeable 21700 Battery
Very Bright With Strong BeamSolid Build QualityIp68 Waterproof RatingLong RuntimeFast USB C ChargingComfortable Size For Tactical UseImproved Tactile Switch Feel
Common complaints
Turbo Mode Can Cause Significant Heat During Extended RuntimeSide Switch Disabled In Turbo Mode May Complicate Some Operations
Larger Size Compared To Some EDC FlashlightsNo Detailed Mode Descriptions Available
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