Comparison Console
Fenix TK21R vs Sofirn LT1S Pro
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 14% gap from the closest alternative. Sofirn LT1S Pro stands out as the cheapest option for retail price, with about a 39% 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
Sofirn LT1S Pro stands out as the cheapest option for retail price, with about a 39% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 63% gap from the closest alternative.
Fenix TK21R stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
Sofirn LT1S Pro stands out as the heaviest option for weight, with about a 16% gap from the closest alternative.
Sofirn LT1S Pro 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 TK21R stands out as the shortest runtime option for max runtime, with about a 86% gap from the closest alternative.
Sofirn LT1S Pro stands out as the longest runtime option for max runtime, with about a 590% 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$130.43Most expensive
US$79.99Cheapest
Weight
221.4 g (7.81 oz)Lightest
257 g (9.07 oz)Heaviest
Length
153.3 mm (6.04 in)Longest
97 mm (3.82 in)Shortest
Output
Max lumens
3600 lmHighest output
500 lmLowest output
Max candela
Unknown
81 cd
Beam distance
480 m (1575 ft)Highest
18 m (59 ft)Lowest
Max runtime
4350 minShortest runtime
30000 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aluminum alloy A6061-T6
6061 aircraft-grade aluminum with type 3 hard anodized coating
Use case profile
Best for
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
CampingBackyard lightingEmergency power outagesHikingEveryday tasksNight vision preservation
Common praise
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Pleasant tint range from 2700K to 5000K without greenness or violetVersatile Anduril 2 user interface with advanced customizationGood build quality with strong metal hangerExcellent powerbank output via USB-CLong runtime with 5000mAh 21700 included
Common complaints
Larger size compared to some EDC flashlightsNo detailed mode descriptions available
Complex user interface requiring initial user configurationVisible and audible PWM at low and medium brightness levelsNearly invisible low moonlight brightness with default settingsManual is incomplete and partly incorrectTurbo mode steps down quickly due to thermal and battery safety
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