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Comparison Console

Fenix TK21R vs Olight Seeker 2

EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.

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Command Brief

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Olight Seeker 2 stands out as the lightest option for weight, with about a 16% gap from the closest alternative. Olight Seeker 2 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.

Decision Signals

What stands out

Cheapest

Olight Seeker 2 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative.

Most expensive

Fenix TK21R stands out as the most expensive option for retail price, with about a 19% gap from the closest alternative.

Lightest

Olight Seeker 2 stands out as the lightest option for weight, with about a 16% gap from the closest alternative.

Heaviest

Fenix TK21R stands out as the heaviest option for weight, with about a 20% gap from the closest alternative.

Lowest output

Olight Seeker 2 stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.

Highest output

Fenix TK21R stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.

Shortest runtime

Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 80% gap from the closest alternative.

Longest runtime

Olight Seeker 2 stands out as the longest runtime option for max runtime, with about a 397% 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.

Fenix TK21R — Beam distance: 480 m (1575 ft)Fenix TK21R — Weight: 221.4 g (7.81 oz)Fenix TK21R — Length: 153.3 mm (6.04 in)Fenix TK21R — Retail price: US$130.43Fenix TK21R — Max lumens: 3600 lmFenix TK21R — Max runtime: 4350 minOlight Seeker 2 — Beam distance: 220 m (722 ft)Olight Seeker 2 — Weight: 185 g (6.53 oz)Olight Seeker 2 — Length: 126 mm (4.96 in)Olight Seeker 2 — Retail price: US$110Olight Seeker 2 — Max lumens: 3000 lmOlight Seeker 2 — Max runtime: 21600 minBeam distanceWeightLengthRetail priceMax lumensMax runtime
Price & carry
Retail price
US$130.43Most expensive
US$110Cheapest
Weight
221.4 g (7.81 oz)Heaviest
185 g (6.53 oz)Lightest
Length
153.3 mm (6.04 in)Longest
126 mm (4.96 in)Shortest
Output
Max lumens
3600 lmHighest output
3000 lmLowest output
Max candela
Unknown
12100 cd
Beam distance
480 m (1575 ft)Highest
220 m (722 ft)Lowest
Max runtime
4350 minShortest runtime
21600 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
Customized 21700 5000mAh rechargeable lithium-ion
Charging type
USB Type-C
Magnetic USB charge base (1A)
Rechargeable
Yes
Yes
IP rating
IP68
IPX-8
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
Medium and close-range illuminationHome useOutdoorsSearch and rescueHuntingCampingIndustrialSecurityPoliceSelf-defense
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 of 3000 lumensLong runtime especially on lower brightness levelsComfortable non-slip aluminum alloy bodyMagnetic USB charging convenienceAccurate battery level indicatorMultiple useful brightness modesGood beam distance of 220 metersDurable IPX-8 waterproof rating
Common complaints
Larger size compared to some EDC flashlightsNo detailed mode descriptions available
Initial high output level runs only 3 minutes before stepping down to 600 lumensMore detailed impact resistance rating not providedWeight (185g) may be heavy for some users