Comparison Console
Fenix PD36R vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD36R stands out as the lightest option for weight, with about a 25% gap from the closest alternative. Fenix PD36R stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 112% gap from the closest alternative.
Decision Signals
What stands out
Fenix PD36R stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 7% gap from the closest alternative.
Fenix PD36R stands out as the lightest option for weight, with about a 25% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 33% gap from the closest alternative.
Fenix PD36R stands out as the lowest output option for max lumens, with about a 53% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 112% gap from the closest alternative.
Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 85% gap from the closest alternative.
Fenix PD36R stands out as the longest runtime option for max runtime, with about a 565% 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$121.35Cheapest
US$130.43Most expensive
Weight
167 g (5.89 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
140.7 mm (5.54 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
1700 lmLowest output
3600 lmHighest output
Max candela
132000 cd
Unknown
Beam distance
396 m (1299 ft)Lowest
480 m (1575 ft)Highest
Max runtime
28920 minLongest runtime
4350 minShortest runtime
Power & durability
Battery type
1 rechargeable 21700 lithium-ion battery
21700 lithium-ion
Charging type
USB Type-C 18W fast charging
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
6061-T6 Aluminum with HAIII hard-anodized finish
Aluminum alloy A6061-T6
Use case profile
Best for
EDC and outdoor lightingExtended outdoor adventuresUsers needing a bright, durable, rechargeable flashlight
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Impressive brightness and beam distanceExcellent battery runtime and fast USB-C chargingRugged build quality with IP68 waterproof ratingVersatile 2-way body clip for hands-free carry
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Higher cost compared to simpler flashlightsFlat side switch can be hard to locate by feel
Larger size compared to some EDC flashlightsNo detailed mode descriptions available