Comparison Console
Acebeam K65 vs Streamlight Knucklehead
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Streamlight Knucklehead stands out as the lightest option for weight, with about a 1% gap from the closest alternative. Streamlight Knucklehead stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative. Acebeam K65 stands out as the highest output option for max lumens, with about a 3000% gap from the closest alternative.
Decision Signals
What stands out
Streamlight Knucklehead stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative.
Acebeam K65 stands out as the most expensive option for retail price, with about a 34% gap from the closest alternative.
Streamlight Knucklehead stands out as the lightest option for weight, with about a 1% gap from the closest alternative.
Acebeam K65 stands out as the heaviest option for weight, with about a 1% gap from the closest alternative.
Streamlight Knucklehead stands out as the lowest output option for max lumens, with about a 97% gap from the closest alternative.
Acebeam K65 stands out as the highest output option for max lumens, with about a 3000% gap from the closest alternative.
Acebeam K65 stands out as the shortest runtime option for max runtime, with about a 88% gap from the closest alternative.
Streamlight Knucklehead stands out as the longest runtime option for max runtime, with about a 700% 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$224Most expensive
US$166.73Cheapest
Weight
660 g (23.28 oz)Heaviest
655 g (23.10 oz)Lightest
Length
190 mm (7.48 in)Shortest
234 mm (9.21 in)Longest
Output
Max lumens
6200 lmHighest output
200 lmLowest output
Max candela
257000 cdHighest candela
1150 cdLowest candela
Beam distance
1014 m (3327 ft)
Unknown
Max runtime
3600 minShortest runtime
28800 minLongest runtime
Power & durability
Battery type
4x 18650
Rechargeable NiCd battery pack or 4 AA alkaline batteries
Charging type
Unknown
AC and DC fast chargers, universal steady charger optional
Rechargeable
Yes
Yes
IP rating
IPX8 (2m)
IPX4
Impact resistance
1.2 m (4 ft)Lowest
2 m (7 ft)Highest
Material
Aircraft-grade aluminium alloy Type 6063 with premium type III hard anodized anti-abrasive finish, stainless steel bezel
High impact super tough nylon polymer
Use case profile
Best for
SearchingHuntingRescuingSecuringCavingOutdoor activitiesLaw enforcementEmergency servicesNature conservationNocturnal adventurers
Work site illuminationProfessional use in emergency services
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
Bright 200 lumens with regulated intensityMultiple lighting modes including moonlight for extended runtimeDurable, impact and water resistant designRemovable strong magnet for hands-free use
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
No charger included with this specific purchase option