Comparison Console
Fenix RC40 vs ThruNite TN42 V2
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TN42 V2 stands out as the lightest option for weight, with about a 27% gap from the closest alternative. ThruNite TN42 V2 stands out as the cheapest option for retail price, with about a 43% gap from the closest alternative. ThruNite TN42 V2 stands out as the highest output option for max lumens, with about a 39% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TN42 V2 stands out as the cheapest option for retail price, with about a 43% gap from the closest alternative.
Fenix RC40 stands out as the most expensive option for retail price, with about a 75% gap from the closest alternative.
ThruNite TN42 V2 stands out as the lightest option for weight, with about a 27% gap from the closest alternative.
Fenix RC40 stands out as the heaviest option for weight, with about a 37% gap from the closest alternative.
Fenix RC40 stands out as the lowest output option for max lumens, with about a 28% gap from the closest alternative.
ThruNite TN42 V2 stands out as the highest output option for max lumens, with about a 39% gap from the closest alternative.
ThruNite TN42 V2 stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
Fenix RC40 stands out as the longest runtime option for max runtime, with about a 2938% 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$480Most expensive
US$275Cheapest
Weight
1310 g (46.21 oz)Heaviest
959 g (33.83 oz)Lightest
Length
299 mm (11.77 in)Longest
191 mm (7.52 in)Shortest
Output
Max lumens
3500 lmLowest output
4848 lmHighest output
Max candela
126000 cdLowest candela
1620000 cdHighest candela
Beam distance
710 m (2329 ft)Lowest
1800 m (5906 ft)Highest
Max runtime
9600 minLongest runtime
316 minShortest runtime
Power & durability
Battery type
Built-in rechargeable Li-ion battery pack 7.4V 7800mAh
4x 21700 lithium-ion
Charging type
AC adapter and DC car charger
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX-8 underwater 2m
IPX8
Impact resistance
Unknown
Unknown
Material
Durable aircraft-grade aluminum, Type III hard-anodized anti-abrasive finish, toughened ultra-clear glass lens with anti-reflective coating
Aluminum, hard anodized
Use case profile
Best for
High output illuminationLong beam distanceRechargeable useTactical and industrial applications
Long distance searchMega throwOutdoor search and rescue
Common praise
Very bright output suitable for professional useLong beam distance and runtimeSolid build quality and durable materialsDual side switches for quick mode changesPower bank function to charge external devices
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
Heavier and larger than typical EDC lightsRuntime in turbo mode is limited due to overheating protectionPrice is relatively highNot waterproof beyond 2 meters depth
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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