Comparison Console
Acebeam PT40 vs Nitecore SRT6i
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam PT40 stands out as the lightest option for weight, with about a 13% gap from the closest alternative. Nitecore SRT6i stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative. Acebeam PT40 stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT6i stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Acebeam PT40 stands out as the most expensive option for retail price, with about a 20% gap from the closest alternative.
Acebeam PT40 stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Nitecore SRT6i stands out as the heaviest option for weight, with about a 15% gap from the closest alternative.
Nitecore SRT6i stands out as the lowest output option for max lumens, with about a 30% gap from the closest alternative.
Acebeam PT40 stands out as the highest output option for max lumens, with about a 43% gap from the closest alternative.
Nitecore SRT6i stands out as the shortest runtime option for max runtime, with about a 13% gap from the closest alternative.
Acebeam PT40 stands out as the longest runtime option for max runtime, with about a 14% 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$175Most expensive
US$145.49Cheapest
Weight
145 g (5.11 oz)Lightest
167 g (5.89 oz)Heaviest
Length
126.8 mm (4.99 in)Shortest
163 mm (6.42 in)Longest
Output
Max lumens
3000 lmHighest output
2100 lmLowest output
Max candela
3680 cdLowest candela
65200 cdHighest candela
Beam distance
121 m (397 ft)Lowest
510 m (1673 ft)Highest
Max runtime
4800 minLongest runtime
4200 minShortest runtime
Power & durability
Battery type
18650 rechargeable Li-ion
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Charging type
Micro USB (via included cable, optional battery with USB-C port)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1 m (3 ft)Lowest
2 m (7 ft)Highest
Material
A6061-T6 aluminium alloy with Type III hard-anodized finish
Aero grade aluminum alloy with HA III military grade hard-anodized finish; strike bezel with high strength silicon nitride ceramics
Use case profile
Best for
Industrial workVehicle repairCampingOutdoor sportsLaw enforcementEveryday carry
Tactical useLong range searchlightLaw enforcementHunting
Common praise
High brightness and good beam qualityVersatile mounting options including magnetic tail and pocket clipHigh color rendering index reducing eye strainSolid build quality with aircraft-grade aluminum body
Intuitive no-nonsense user interface with rotary selector ringImpressive long throw and beam intensitySolid build quality with durable materialsIntegrated USB-C charging with included proprietary batteryTactical features such as strobe ready mode and lockout
Common complaints
Magnet not very strong on curved metal surfacesHeadband attachment not very comfortable for switching between handheld and headlamp usePocket clip is not very stiff and less comfortable to clip onto pockets
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
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