Comparison Console
Acebeam P20 vs ThruNite TN42
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam P20 stands out as the lightest option for weight, with about a 22% gap from the closest alternative. Acebeam P20 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative. Acebeam P20 stands out as the highest output option for max lumens, with about a 16% gap from the closest alternative.
Decision Signals
What stands out
Acebeam P20 stands out as the cheapest option for retail price, with about a 27% gap from the closest alternative.
ThruNite TN42 stands out as the most expensive option for retail price, with about a 38% gap from the closest alternative.
Acebeam P20 stands out as the lightest option for weight, with about a 22% gap from the closest alternative.
ThruNite TN42 stands out as the heaviest option for weight, with about a 29% gap from the closest alternative.
ThruNite TN42 stands out as the lowest output option for max lumens, with about a 13% gap from the closest alternative.
Acebeam P20 stands out as the highest output option for max lumens, with about a 16% gap from the closest alternative.
ThruNite TN42 stands out as the shortest runtime option for max runtime, with about a 93% gap from the closest alternative.
Acebeam P20 stands out as the longest runtime option for max runtime, with about a 1305% 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$200Cheapest
US$275Most expensive
Weight
504 g (17.78 oz)Lightest
648 g (22.86 oz)Heaviest
Length
267.5 mm (10.53 in)Longest
190.5 mm (7.50 in)Shortest
Output
Max lumens
5600 lmHighest output
4848 lmLowest output
Max candela
528529 cdLowest candela
864000 cdHighest candela
Beam distance
1454 m (4770 ft)Lowest
1860 m (6102 ft)Highest
Max runtime
4440 minLongest runtime
316 minShortest runtime
Power & durability
Battery type
2x 21700 lithium-ion (battery pack with built-in USB-C)
4x 21700 rechargeable lithium-ion batteries (parallel configuration)
Charging type
USB-C (built into battery pack)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68 (2m/30min)
IPX8 (2 meters)
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
Aluminium alloy (HAIII, AL6061-T6)
Aluminum, hard anodized
Use case profile
Best for
Long Distance ThrowTactical UseSelf DefenseVehicle EmergenciesExtreme Outdoor Environments
Search And RescueLong Distance ThrowOutdoor Activities Requiring High Output And Long Range
Common praise
Exceptional Build Quality With Precise Cnc Machining And Durable Anodized Aluminum BodyVery High Output And Extremely Long Throw CapabilityDual Switch Interface With Dedicated Momentary TurboFlexible Battery Options With Removable Battery Pack And Compatibility With Two 21700 BatteriesGood Mode Spacing And Convenient Shortcuts Including Mode MemoryEffective Thermal Management And Solid Runtime PerformanceIncludes Useful Accessories Such As Carry Bag, Spare O Rings, USB C Charging Cable, And Optional Green Filter
Very High Max Output Of 4848 Lumens With Excellent Long Throw Capability (1860 Meters).Good Build Quality With Hard Anodized Aluminum And Tight Threading.Simple And Intuitive E Switch User Interface With Mode Memory.Included Accessories Like Shoulder Strap And USB C Charger.No Visible Or Audible Pwm.Battery Runtime Up To Approximately 5 Hours And 16 Minutes At Firefly Mode For 180 Days.Good Thermal Performance With Predictable Step Down After 2 Minutes On Turbo.
Common complaints
Tail Switch Functionality Only Works With Included Proprietary Battery PackNo Mechanical Lockout; Lockout Is Electronic And Slow To ActivateSix Modes Might Be Excessive With Some Levels Closely SpacedWeight And Size Make It Less Practical For Casual Everyday Carry Or Indoor UseLockout Mode Has No Visual IndicatorThreads Are Unanodized Making Mechanical Lockout Impossible And Possibly Leading To Gritty Threads Over Time
No Thermal Regulation, Causing Step Down Due To Heat After Turbo Mode.Threads Are Somewhat Difficult To Start Or Unscrew.Heats Up Significantly On Turbo/high Modes Making Prolonged Handheld Use Uncomfortable.Limited Retention Options, Some Users Find Shoulder Strap Front Mount Flimsy.Low Voltage Protection Is Not Fully Clear; Caution Advised With Unprotected Cells.Large Size And Weight (over 600 Grams Without Batteries) Makes Compact Carry Difficult.
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