Comparison Console
Fenix TK25R vs Olight Seeker 4 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Olight Seeker 4 Pro stands out as the lightest option for weight, with about a 1% gap from the closest alternative. Olight Seeker 4 Pro stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative. Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 28% gap from the closest alternative.
Decision Signals
What stands out
Olight Seeker 4 Pro stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative.
Fenix TK25R stands out as the most expensive option for retail price, with about a 43% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the lightest option for weight, with about a 1% gap from the closest alternative.
Fenix TK25R stands out as the heaviest option for weight, with about a 1% gap from the closest alternative.
Fenix TK25R stands out as the lowest output option for max lumens, with about a 22% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the highest output option for max lumens, with about a 28% 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 TK25R stands out as the longest runtime option for max runtime, with about a 5400% 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$200.55Most expensive
US$139.99Cheapest
Weight
225 g (7.94 oz)Heaviest
223 g (7.87 oz)Lightest
Length
164 mm (6.46 in)Longest
133 mm (5.24 in)Shortest
Output
Max lumens
3600 lmLowest output
4600 lmHighest output
Max candela
28000 cdHighest candela
16900 cdLowest candela
Beam distance
350 m (1148 ft)Highest
260 m (853 ft)Lowest
Max runtime
3300 minLongest runtime
60 minShortest runtime
Power & durability
Battery type
21700 Li-ion
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
1.5 m (5 ft)
1.5 m (5 ft)
Material
A6061-T6 aluminum alloy
Anodized aluminum alloy with rubberized grip
Use case profile
Best for
Law enforcementTactical operationsSearch and rescueOutdoor activitiesEDC use
EDC useCampingHikingMaintenanceNight dutyDog walkingEmergencyFlood illuminationTerrain lighting
Common praise
High maximum output with versatile multi-LED optionsRobust build quality with IP68 ratingFast USB-C charging with included batteryDual switch design with easy mode selectionAccurate published ANSI-specs and reliable operation
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
Higher price point than budget brandsLED replacement not supportedSome heat-induced output throttling under extended turbo use
Auto-lock feature can be frustrating without holsterWeight may be heavy for some users for pocket carry
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