Comparison Console
Acebeam K65-GT vs Fenix RC40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam K65-GT stands out as the lightest option for weight, with about a 40% gap from the closest alternative. Acebeam K65-GT stands out as the cheapest option for retail price, with about a 43% gap from the closest alternative. Acebeam K65-GT stands out as the highest output option for max lumens, with about a 86% gap from the closest alternative.
Decision Signals
What stands out
Acebeam K65-GT 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.
Acebeam K65-GT stands out as the lightest option for weight, with about a 40% gap from the closest alternative.
Fenix RC40 stands out as the heaviest option for weight, with about a 67% gap from the closest alternative.
Fenix RC40 stands out as the lowest output option for max lumens, with about a 46% gap from the closest alternative.
Acebeam K65-GT stands out as the highest output option for max lumens, with about a 86% gap from the closest alternative.
Acebeam K65-GT stands out as the shortest runtime option for max runtime, with about a 89% gap from the closest alternative.
Fenix RC40 stands out as the longest runtime option for max runtime, with about a 789% 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$274.9Cheapest
US$480Most expensive
Weight
786 g (27.73 oz)Lightest
1310 g (46.21 oz)Heaviest
Length
188.5 mm (7.42 in)Shortest
299 mm (11.77 in)Longest
Output
Max lumens
6500 lmHighest output
3500 lmLowest output
Max candela
707281 cdHighest candela
126000 cdLowest candela
Beam distance
1682 m (5518 ft)Highest
710 m (2329 ft)Lowest
Max runtime
1080 minShortest runtime
9600 minLongest runtime
Power & durability
Battery type
4 x 18650 rechargeable Li-ion
Built-in rechargeable Li-ion battery pack 7.4V 7800mAh
Charging type
Unknown
AC adapter and DC car charger
Rechargeable
Yes
Yes
IP rating
IPX68 (2 meters submersible)
IPX-8 underwater 2m
Impact resistance
1 m (3 ft)
Unknown
Material
Aerospace-grade aluminum with military grade type III hard-anodized finish
Durable aircraft-grade aluminum, Type III hard-anodized anti-abrasive finish, toughened ultra-clear glass lens with anti-reflective coating
Use case profile
Best for
Search and rescueHuntingSecuringCavingCampingLaw enforcementOutdoor activities
High output illuminationLong beam distanceRechargeable useTactical and industrial applications
Common praise
Impressive beam distance and brightnessWell-made with great light stabilizationHigh performance and workmanshipPortable with attachable handle
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
Common complaints
Not specified explicitly in sources
Heavier and larger than typical EDC lightsRuntime in turbo mode is limited due to overheating protectionPrice is relatively highNot waterproof beyond 2 meters depth