Comparison Console
Acebeam K75 vs Fenix RC40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam K75 stands out as the lightest option for weight, with about a 13% gap from the closest alternative. Acebeam K75 stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative. Acebeam K75 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 K75 stands out as the cheapest option for retail price, with about a 33% gap from the closest alternative.
Fenix RC40 stands out as the most expensive option for retail price, with about a 49% gap from the closest alternative.
Acebeam K75 stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Fenix RC40 stands out as the heaviest option for weight, with about a 15% 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 K75 stands out as the highest output option for max lumens, with about a 86% gap from the closest alternative.
Fenix RC40 stands out as the shortest runtime option for max runtime, with about a 11% gap from the closest alternative.
Acebeam K75 stands out as the longest runtime option for max runtime, with about a 13% 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$321.9Cheapest
US$480Most expensive
Weight
1140 g (40.21 oz)Lightest
1310 g (46.21 oz)Heaviest
Length
214 mm (8.43 in)Shortest
299 mm (11.77 in)Longest
Output
Max lumens
6500 lmHighest output
3500 lmLowest output
Max candela
1844164 cdHighest candela
126000 cdLowest candela
Beam distance
2716 m (8911 ft)Highest
710 m (2329 ft)Lowest
Max runtime
10800 minLongest runtime
9600 minShortest runtime
Power & durability
Battery type
4x 18650 rechargeable Li-ion batteries
Built-in rechargeable Li-ion battery pack 7.4V 7800mAh
Charging type
External charging of batteries (batteries must be removed)
AC adapter and DC car charger
Rechargeable
Yes
Yes
IP rating
IPX8
IPX-8 underwater 2m
Impact resistance
1.5 m (5 ft)
Unknown
Material
Aluminium alloy
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
Long-range search and rescueHuntingCampingEmergency signaling
High output illuminationLong beam distanceRechargeable useTactical and industrial applications
Common praise
Incredible throw distance and brightnessWell built sturdy aluminium body with good finishUser friendly one-button interfaceEffective thermal management and battery level indicatorIncludes tripod socket and convenient carry 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
Large size and relatively heavy for prolonged handheld useBatteries not included in some packagesRequires high-drain batteries to access full power modesSensitive anodized finish prone to fingerprints
Heavier and larger than typical EDC lightsRuntime in turbo mode is limited due to overheating protectionPrice is relatively highNot waterproof beyond 2 meters depth