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