Comparison Console
Fenix PD36R ACE vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD36R ACE stands out as the lightest option for weight, with about a 18% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative.
Fenix PD36R ACE stands out as the most expensive option for retail price, with about a 12% gap from the closest alternative.
Fenix PD36R ACE stands out as the lightest option for weight, with about a 18% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 22% gap from the closest alternative.
Fenix PD36R ACE stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Fenix PD36R ACE stands out as the shortest runtime option for max runtime, with about a 13% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 14% 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$146Most expensive
US$130.43Cheapest
Weight
182 g (6.42 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
146 mm (5.75 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
3000 lmLowest output
3600 lmHighest output
Max candela
Unknown
Unknown
Beam distance
415 m (1362 ft)Lowest
480 m (1575 ft)Highest
Max runtime
3805 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
One 21700 rechargeable Li-ion battery
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
Unknown
1.5 m (5 ft)
Material
A6061-T6 aluminum with HAIII hard-anodized finish
Aluminum alloy A6061-T6
Use case profile
Best for
Users who want high brightness and long beam distanceOutdoor and tactical useUsers who want customizable operation modes
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
High brightness outputLong beam distanceDurable constructionCustomizable mode settingsConvenient USB-C charging portSolid battery runtime
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
No specific complaints noted in source, but weight may be considered heavy for keychain use
Larger size compared to some EDC flashlightsNo detailed mode descriptions available