Comparison Console
Nitecore TM9K TAC vs Olight Seeker 4 Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore TM9K TAC stands out as the lightest option for weight, with about a 2% gap from the closest alternative. Olight Seeker 4 Pro stands out as the cheapest option for retail price, with about a 19% gap from the closest alternative. Nitecore TM9K TAC stands out as the highest output option for max lumens, with about a 113% 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 19% gap from the closest alternative.
Nitecore TM9K TAC stands out as the most expensive option for retail price, with about a 24% gap from the closest alternative.
Nitecore TM9K TAC stands out as the lightest option for weight, with about a 2% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the heaviest option for weight, with about a 2% gap from the closest alternative.
Olight Seeker 4 Pro stands out as the lowest output option for max lumens, with about a 53% gap from the closest alternative.
Nitecore TM9K TAC stands out as the highest output option for max lumens, with about a 113% 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.
Nitecore TM9K TAC stands out as the longest runtime option for max runtime, with about a 5900% 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$173Most expensive
US$139.99Cheapest
Weight
218.5 g (7.71 oz)Lightest
223 g (7.87 oz)Heaviest
Length
125 mm (4.92 in)Shortest
133 mm (5.24 in)Longest
Output
Max lumens
9800 lmHighest output
4600 lmLowest output
Max candela
19800 cdHighest candela
16900 cdLowest candela
Beam distance
280 m (919 ft)Highest
260 m (853 ft)Lowest
Max runtime
3600 minLongest runtime
60 minShortest runtime
Power & durability
Battery type
21700 rechargeable Li-ion
21700 rechargeable lithium-ion (proprietary)
Charging type
USB-C, QC supported
USB-C, magnetic (optional MCC3 charger)
Rechargeable
Yes
Yes
IP rating
IP68 (2 meters submersible)
IPX8
Impact resistance
1 m (3 ft)Lowest
1.5 m (5 ft)Highest
Material
Aero grade aluminum alloy, HA III military grade hard-anodized finish
Anodized aluminum alloy with rubberized grip
Use case profile
Best for
Tactical applicationsSearch and rescueEmergency lightingEveryday carry (EDC)
EDC useCampingHikingMaintenanceNight dutyDog walkingEmergencyFlood illuminationTerrain lighting
Common praise
Extremely bright maximum output: 9800 lumensDurable construction with military-grade anodized aluminumWaterproof to 2 meters submersionMultiple brightness modes and strobeTurboReady one-handed operationLong runtime especially at lower output levelsBuilt-in rechargeable battery with quick USB-C chargingLockout mode prevents accidental activation
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
Relatively short impact resistance (1 meter) compared to some tactical modelsHeavy for EDC at over 200 gramsMaximum beam throw limited to about 280 meters
Auto-lock feature can be frustrating without holsterWeight may be heavy for some users for pocket carry
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