Comparison Console
Fenix LD15R vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix LD15R stands out as the lightest option for weight, with about a 81% gap from the closest alternative. Fenix LD15R stands out as the cheapest option for retail price, with about a 58% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 620% gap from the closest alternative.
Decision Signals
What stands out
Fenix LD15R stands out as the cheapest option for retail price, with about a 58% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 137% gap from the closest alternative.
Fenix LD15R stands out as the lightest option for weight, with about a 81% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 421% gap from the closest alternative.
Fenix LD15R stands out as the lowest output option for max lumens, with about a 86% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 620% gap from the closest alternative.
Fenix LD15R stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 3525% 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$55Cheapest
US$130.43Most expensive
Weight
42.5 g (1.50 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
78.74 mm (3.10 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
500 lmLowest output
3600 lmHighest output
Max candela
3800 cd
Unknown
Beam distance
123 m (404 ft)Lowest
480 m (1575 ft)Highest
Max runtime
120 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
CR123A
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP67+
IP68
Impact resistance
Unknown
1.5 m (5 ft)
Material
Aluminium
Aluminum alloy A6061-T6
Use case profile
Best for
Right angle tasksCompact EDCBoth flood and focused beam use
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Compact and lightweight designVersatile lighting with flood and focused beamHigh CRI for quality lightWaterproof with solid durabilityUSB-C rechargeable battery included
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Relatively short high mode runtime (2 hours)Price may be higher in some markets
Larger size compared to some EDC flashlightsNo detailed mode descriptions available
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