Comparison Console
Acebeam PT40 vs Nitecore SRT7i
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 17% gap from the closest alternative. Nitecore SRT7i stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative. Nitecore SRT7i stands out as the longest runtime option for max runtime, with about a 900% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT7i stands out as the cheapest option for retail price, with about a 26% gap from the closest alternative.
Acebeam PT40 stands out as the most expensive option for retail price, with about a 35% gap from the closest alternative.
Acebeam PT40 stands out as the lightest option for weight, with about a 17% gap from the closest alternative.
Nitecore SRT7i stands out as the heaviest option for weight, with about a 21% gap from the closest alternative.
Acebeam PT40 stands out as the shortest runtime option for max runtime, with about a 90% gap from the closest alternative.
Nitecore SRT7i stands out as the longest runtime option for max runtime, with about a 900% gap from the closest alternative.
Acebeam PT40 stands out as the shortest option for length, with about a 22% gap from the closest alternative.
Nitecore SRT7i stands out as the longest option for length, with about a 29% 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$129.95Cheapest
Weight
145 g (5.11 oz)Lightest
175 g (6.17 oz)Heaviest
Length
126.8 mm (4.99 in)Shortest
163 mm (6.42 in)Longest
Output
Max lumens
3000 lm
3000 lm
Max candela
3680 cdLowest candela
87500 cdHighest candela
Beam distance
121 m (397 ft)Lowest
580 m (1903 ft)Highest
Max runtime
4800 minShortest runtime
48000 minLongest runtime
Power & durability
Battery type
18650 rechargeable Li-ion
Nitecore 21700i Li-ion battery (NL2150HPi 5000mAh)
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
Use case profile
Best for
Industrial workVehicle repairCampingOutdoor sportsLaw enforcementEveryday carry
Law enforcementTactical operationsHuntingSearchHigh-risk patrols
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
High maximum brightness of 3000 lumensLong beam throw of 580 metersGood battery capacity with included 21700 5000mAh rechargeable batterySmart selector ring enables easy one-handed controlDurable build with IP68 waterproofing and 2m impact resistanceFast USB-C charging portMultiple user-friendly modes including strobe and turboEffective tail stand capability for safety
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
Relatively heavy with battery at 175 gramsNo CR123A batteries included with adapter sold separatelySome users may find the size large for EDC
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