Comparison Console
Fenix TK21R vs Olight R50 Seeker
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 13% gap from the closest alternative. Olight R50 Seeker stands out as the cheapest option for retail price, with about a 1% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 44% gap from the closest alternative.
Decision Signals
What stands out
Olight R50 Seeker stands out as the cheapest option for retail price, with about a 1% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 1% gap from the closest alternative.
Fenix TK21R stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Olight R50 Seeker stands out as the heaviest option for weight, with about a 15% gap from the closest alternative.
Olight R50 Seeker stands out as the lowest output option for max lumens, with about a 31% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 44% gap from the closest alternative.
Olight R50 Seeker stands out as the shortest runtime option for max runtime, with about a 31% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 45% 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$129.22Cheapest
Weight
221.4 g (7.81 oz)Lightest
255 g (8.99 oz)Heaviest
Length
153.3 mm (6.04 in)Longest
133 mm (5.24 in)Shortest
Output
Max lumens
3600 lmHighest output
2500 lmLowest output
Max candela
Unknown
22000 cd
Beam distance
480 m (1575 ft)Highest
297 m (974 ft)Lowest
Max runtime
4350 minLongest runtime
3000 minShortest runtime
Power & durability
Battery type
21700 lithium-ion
Custom 26650 rechargeable lithium-ion
Charging type
USB Type-C
Micro-USB
Rechargeable
Yes
Yes
IP rating
IP68
IPX8 (up to 2 meters)
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aluminum alloy A6061-T6
Aircraft-grade aluminum with type III hard anodizing
Use case profile
Best for
Tactical UsePatrollingSearch And RescueTraffic InspectionSelf Defense
General Purpose Handheld UseSecurityPoliceIndustrialHome Lighting
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 RuntimeRobust Build Quality And DesignVersatile And Intuitive User Interface With Multiple Modes And LockoutExcellent Beam Quality With Wide Spill And Bright HotspotConvenient Built In Rechargeable Battery And USB Charging
Common complaints
Larger Size Compared To Some EDC FlashlightsNo Detailed Mode Descriptions Available
No Pocket Clip IncludedNo Holster Or Pouch ProvidedProprietary Battery Limits External Charging OptionsLight Is Too Large For Comfortable Pocket CarryLens Protection Accessory Not Included
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