Comparison Console
Fenix TK21R vs Fenix TK28R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix TK21R stands out as the lightest option for weight, with about a 38% gap from the closest alternative. Fenix TK28R stands out as the highest output option for max lumens, with about a 81% gap from the closest alternative. Fenix TK28R stands out as the longest runtime option for max runtime, with about a 41% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the lightest option for weight, with about a 38% gap from the closest alternative.
Fenix TK28R stands out as the heaviest option for weight, with about a 62% gap from the closest alternative.
Fenix TK21R stands out as the lowest output option for max lumens, with about a 45% gap from the closest alternative.
Fenix TK28R stands out as the highest output option for max lumens, with about a 81% gap from the closest alternative.
Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 29% gap from the closest alternative.
Fenix TK28R stands out as the longest runtime option for max runtime, with about a 41% gap from the closest alternative.
Fenix TK28R stands out as the shortest option for length, with about a 4% gap from the closest alternative.
Fenix TK21R stands out as the longest option for length, with about a 4% 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$130.43
Unknown
Weight
221.4 g (7.81 oz)Lightest
358.3 g (12.64 oz)Heaviest
Length
153.3 mm (6.04 in)Longest
147.83 mm (5.82 in)Shortest
Output
Max lumens
3600 lmLowest output
6500 lmHighest output
Max candela
Unknown
42675 cd
Beam distance
480 m (1575 ft)Highest
400 m (1312 ft)Lowest
Max runtime
4350 minShortest runtime
6120 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
2x Fenix ARB-L18-4000
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aluminum alloy A6061-T6
Aerospace-grade anodized aluminum
Use case profile
Best for
Tactical UsePatrollingSearch And RescueTraffic InspectionSelf Defense
Law EnforcementTactical OperationsSearch And Rescue (sar) MissionsOutdoor Adventures
Common praise
Very Bright With Strong BeamSolid Build QualityIp68 Waterproof RatingLong RuntimeFast USB C ChargingComfortable Size For Tactical UseImproved Tactile Switch Feel
High Maximum Output And Long Beam DistanceDurable Aerospace Grade Build And Ip68 Waterproof RatingIntuitive Dual Tail And Toggle Switch InterfaceLong Runtime Up To 102 Hours In ECO ModeFast USB Type C Charging In About 1.5 Hours
Common complaints
Larger Size Compared To Some EDC FlashlightsNo Detailed Mode Descriptions Available
Potential Downshift In Brightness Due To Overheat ProtectionLeds Not User ReplaceableRequires Specific Battery Types For Proper Operation
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