Comparison Console
Acebeam K65 vs Fenix RC40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam K65 stands out as the lightest option for weight, with about a 50% gap from the closest alternative. Acebeam K65 stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative. Acebeam K65 stands out as the highest output option for max lumens, with about a 77% gap from the closest alternative.
Decision Signals
What stands out
Acebeam K65 stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative.
Fenix RC40 stands out as the most expensive option for retail price, with about a 114% gap from the closest alternative.
Acebeam K65 stands out as the lightest option for weight, with about a 50% gap from the closest alternative.
Fenix RC40 stands out as the heaviest option for weight, with about a 98% gap from the closest alternative.
Fenix RC40 stands out as the lowest output option for max lumens, with about a 44% gap from the closest alternative.
Acebeam K65 stands out as the highest output option for max lumens, with about a 77% gap from the closest alternative.
Acebeam K65 stands out as the shortest runtime option for max runtime, with about a 63% gap from the closest alternative.
Fenix RC40 stands out as the longest runtime option for max runtime, with about a 167% 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$224Cheapest
US$480Most expensive
Weight
660 g (23.28 oz)Lightest
1310 g (46.21 oz)Heaviest
Length
190 mm (7.48 in)Shortest
299 mm (11.77 in)Longest
Output
Max lumens
6200 lmHighest output
3500 lmLowest output
Max candela
257000 cdHighest candela
126000 cdLowest candela
Beam distance
1014 m (3327 ft)Highest
710 m (2329 ft)Lowest
Max runtime
3600 minShortest runtime
9600 minLongest runtime
Power & durability
Battery type
4x 18650
Built-in rechargeable Li-ion battery pack 7.4V 7800mAh
Charging type
Unknown
AC adapter and DC car charger
Rechargeable
Yes
Yes
IP rating
IPX8 (2m)
IPX-8 underwater 2m
Impact resistance
1.2 m (4 ft)
Unknown
Material
Aircraft-grade aluminium alloy Type 6063 with premium type III hard anodized anti-abrasive finish, stainless steel bezel
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
SearchingHuntingRescuingSecuringCavingOutdoor ActivitiesLaw EnforcementEmergency ServicesNature ConservationNocturnal Adventurers
High Output IlluminationLong Beam DistanceRechargeable UseTactical And Industrial Applications
Common praise
Extremely High Maximum Output And ThrowLong Runtime On Lower ModesRobust Build Quality With Premium MaterialsEasy One Handed Operation Via Side Electronic SwitchEffective Thermal Regulation And Battery Power IndicatorsMultiple Brightness Levels And Special Modes Like Strobe And SOS
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
Heavier And Larger Compared To Smaller EDC FlashlightsHotspot Tint With Some Yellowish Corona Noted In BeamSide Switch Has Small Ui Quirks Such As Mode SkippingBezel Can Get Damaged When Dropped Despite Stainless Steel Material
Heavier And Larger Than Typical EDC LightsRuntime In Turbo Mode Is Limited Due To Overheating ProtectionPrice Is Relatively HighNot Waterproof Beyond 2 Meters Depth
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