Comparison Console
ThruNite TN31 vs ThruNite TN42
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TN31 stands out as the lightest option for weight, with about a 12% gap from the closest alternative. ThruNite TN31 stands out as the cheapest option for retail price, with about a 20% gap from the closest alternative. ThruNite TN42 stands out as the highest output option for max lumens, with about a 323% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TN31 stands out as the cheapest option for retail price, with about a 20% gap from the closest alternative.
ThruNite TN42 stands out as the most expensive option for retail price, with about a 25% gap from the closest alternative.
ThruNite TN31 stands out as the lightest option for weight, with about a 12% gap from the closest alternative.
ThruNite TN42 stands out as the heaviest option for weight, with about a 13% gap from the closest alternative.
ThruNite TN31 stands out as the lowest output option for max lumens, with about a 76% gap from the closest alternative.
ThruNite TN42 stands out as the highest output option for max lumens, with about a 323% gap from the closest alternative.
ThruNite TN42 stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
ThruNite TN31 stands out as the longest runtime option for max runtime, with about a 37875% 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$220Cheapest
US$275Most expensive
Weight
572.1 g (20.18 oz)Lightest
648 g (22.86 oz)Heaviest
Length
203 mm (7.99 in)Longest
190.5 mm (7.50 in)Shortest
Output
Max lumens
1147 lmLowest output
4848 lmHighest output
Max candela
75000 cdLowest candela
864000 cdHighest candela
Beam distance
700 m (2297 ft)Lowest
1860 m (6102 ft)Highest
Max runtime
120000 minLongest runtime
316 minShortest runtime
Power & durability
Battery type
3x18650
4x 21700 rechargeable lithium-ion batteries (parallel configuration)
Charging type
Unknown
USB Type-C
Rechargeable
Unknown
Yes
IP rating
IPX8
IPX8 (2 meters)
Impact resistance
1.2 m (4 ft)Lowest
1.5 m (5 ft)Highest
Material
Aircraft grade aluminum with type III hard anodized finish
Aluminum, hard anodized
Use case profile
Best for
Long distance throwTactical useSearch and rescueOutdoor activitiesEmergency useSelf-defense
Search and rescueLong distance throwOutdoor activities requiring high output and long range
Common praise
Very bright with good throwSolid build qualityTactical usability with momentary switch and rotary mode selectorQuiet smooth control ring with firm detentsGood grip due to aggressive knurlingIPX8 waterproof rating and impact resistanceStable tailstand capability
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
Heavy and bulky compared to smaller EDC lightsBattery carrier fits very wide batteries tightlyInitial sealed case foam had acrid smell
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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