Comparison Console
Fenix TK25R vs ThruNite TN42 V2
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix TK25R stands out as the lightest option for weight, with about a 77% gap from the closest alternative. Fenix TK25R stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative. ThruNite TN42 V2 stands out as the highest output option for max lumens, with about a 35% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK25R stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
ThruNite TN42 V2 stands out as the most expensive option for retail price, with about a 37% gap from the closest alternative.
Fenix TK25R stands out as the lightest option for weight, with about a 77% gap from the closest alternative.
ThruNite TN42 V2 stands out as the heaviest option for weight, with about a 326% gap from the closest alternative.
Fenix TK25R stands out as the lowest output option for max lumens, with about a 26% gap from the closest alternative.
ThruNite TN42 V2 stands out as the highest output option for max lumens, with about a 35% gap from the closest alternative.
ThruNite TN42 V2 stands out as the shortest runtime option for max runtime, with about a 90% gap from the closest alternative.
Fenix TK25R stands out as the longest runtime option for max runtime, with about a 944% 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$200.55Cheapest
US$275Most expensive
Weight
225 g (7.94 oz)Lightest
959 g (33.83 oz)Heaviest
Length
164 mm (6.46 in)Shortest
191 mm (7.52 in)Longest
Output
Max lumens
3600 lmLowest output
4848 lmHighest output
Max candela
28000 cdLowest candela
1620000 cdHighest candela
Beam distance
350 m (1148 ft)Lowest
1800 m (5906 ft)Highest
Max runtime
3300 minLongest runtime
316 minShortest runtime
Power & durability
Battery type
21700 Li-ion
4x 21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
A6061-T6 aluminum alloy
Aluminum, hard anodized
Use case profile
Best for
Law enforcementTactical operationsSearch and rescueOutdoor activitiesEDC use
Long distance searchMega throwOutdoor search and rescue
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
High maximum output around 4848 lumensExceptional beam throw (~1800m)Good battery life with 4x21700 batteries in parallelSimple and intuitive user interface with 5 main modes plus turbo and strobeGood build quality with solid machining and anodizingIncludes shoulder strap and spare parts
Common complaints
Higher price point than budget brandsLED replacement not supportedSome heat-induced output throttling under extended turbo use
Relatively heavy and large size (959g, 191mm length)Threads can be difficult to startThermal regulation absent, causing step down after ~2 minutesSomewhat flimsy front attachment point for shoulder strapDriver regulation is average with Turbo affected by battery voltageNo electronic lockout, only mechanical
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