Comparison Console
Fenix TK21R vs Olight Odin S
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Olight Odin S stands out as the lightest option for weight, with about a 13% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 140% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the cheapest option for retail price, with about a 13% gap from the closest alternative.
Olight Odin S stands out as the most expensive option for retail price, with about a 15% gap from the closest alternative.
Olight Odin S stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 15% gap from the closest alternative.
Olight Odin S stands out as the lowest output option for max lumens, with about a 58% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 140% gap from the closest alternative.
Olight Odin S stands out as the shortest runtime option for max runtime, with about a 89% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 826% 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$130.43Cheapest
US$149.99Most expensive
Weight
221.4 g (7.81 oz)Heaviest
193 g (6.81 oz)Lightest
Length
153.3 mm (6.04 in)Longest
127.5 mm (5.02 in)Shortest
Output
Max lumens
3600 lmHighest output
1500 lmLowest output
Max candela
Unknown
15600 cd
Beam distance
480 m (1575 ft)Highest
250 m (820 ft)Lowest
Max runtime
4350 minLongest runtime
470 minShortest runtime
Power & durability
Battery type
21700 lithium-ion
1x 18650 rechargeable Li-ion battery or 2x CR123A batteries
Charging type
USB Type-C
Magnetic charging cable (MCC)
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aluminum alloy A6061-T6
Aluminum alloy
Use case profile
Best for
Tactical UsePatrollingSearch And RescueTraffic InspectionSelf Defense
Tactical UseWeapon MountingSelf DefenseLaw Enforcement
Common praise
Very Bright With Strong BeamSolid Build QualityIp68 Waterproof RatingLong RuntimeFast USB C ChargingComfortable Size For Tactical UseImproved Tactile Switch Feel
High Brightness And Long Beam DistanceVersatile Power Options With Rechargeable BatteryStable And Secure Mounting With M Lok Or Picatinny MountsCustomizable Strobe FunctionReliable Magnetic Remote Switch
Common complaints
Larger Size Compared To Some EDC FlashlightsNo Detailed Mode Descriptions Available
Relatively Heavy For A Handheld Flashlight At 193 GramsMainly Suited For Weapon Mounting Rather Than General Pocket CarrySome Users Report Run Time Limitations On High Modes
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