Comparison Console
Fenix TK20R V2.0 vs Olight Seeker 4 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix TK20R V2.0 stands out as the lightest option for weight, with about a 9% gap from the closest alternative. Fenix TK20R V2.0 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 53% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK20R V2.0 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the lightest option for weight, with about a 9% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the heaviest option for weight, with about a 9% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the lowest output option for max lumens, with about a 35% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 53% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the longest runtime option for max runtime, with about a 4700% 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$130Cheapest
US$139.99Most expensive
Weight
204 g (7.20 oz)Lightest
223 g (7.87 oz)Heaviest
Length
153 mm (6.02 in)Longest
133 mm (5.24 in)Shortest
Output
Max lumens
3000 lmLowest output
4600 lmHighest output
Max candela
56600 cdHighest candela
16900 cdLowest candela
Beam distance
475 m (1558 ft)Highest
260 m (853 ft)Lowest
Max runtime
2880 minLongest runtime
60 minShortest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
21700 rechargeable lithium-ion (proprietary)
Charging type
USB Type-C
USB-C, magnetic (optional MCC3 charger)
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
1.5 m (5 ft)
Material
Unknown
Anodized aluminum alloy with rubberized grip
Use case profile
Best for
Tactical identification and useLaw enforcementMilitarySearch and RescueOutdoor professionals
EDC useCampingHikingMaintenanceNight dutyDog walkingEmergencyFlood illuminationTerrain lighting
Common praise
Very high 3000 lumen output with excellent 475m beam throw for tactical useConvenient USB-C rechargeable 21700 battery system with solid runtimeIntuitive dual tailcap switches for one-handed tactical operationRugged IP68 waterproof and impact-resistant designVersatile multi-mode output including instant strobe for defensive purposes
Bright output with a wide and smooth flood beamConvenient dual charging options including USB-CIntuitive rotary switch with stepless dimmingDurable IPX8 waterproof ratingBuilt-in charging holster with multiple carrying options
Common complaints
Larger and heavier than compact EDC lights (204g with battery)No ultra-low moonlight mode for extended low-light preservationTurbo mode step-down under sustained usePremium pricing compared to basic tactical lightsMade in China may be a consideration for some U.S. procurement preferences
Auto-lock feature can be frustrating without holsterWeight may be heavy for some users for pocket carry