Comparison Console
ThruNite TN42 vs ThruNite TT20
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TT20 stands out as the lightest option for weight, with about a 72% gap from the closest alternative. ThruNite TT20 stands out as the cheapest option for retail price, with about a 78% gap from the closest alternative. ThruNite TN42 stands out as the highest output option for max lumens, with about a 92% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TT20 stands out as the cheapest option for retail price, with about a 78% gap from the closest alternative.
ThruNite TN42 stands out as the most expensive option for retail price, with about a 359% gap from the closest alternative.
ThruNite TT20 stands out as the lightest option for weight, with about a 72% gap from the closest alternative.
ThruNite TN42 stands out as the heaviest option for weight, with about a 258% gap from the closest alternative.
ThruNite TT20 stands out as the lowest output option for max lumens, with about a 48% gap from the closest alternative.
ThruNite TN42 stands out as the highest output option for max lumens, with about a 92% 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 TT20 stands out as the longest runtime option for max runtime, with about a 45470% 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$275Most expensive
US$59.95Cheapest
Weight
648 g (22.86 oz)Heaviest
181.1 g (6.39 oz)Lightest
Length
190.5 mm (7.50 in)Longest
136 mm (5.35 in)Shortest
Output
Max lumens
4848 lmHighest output
2526 lmLowest output
Max candela
864000 cdHighest candela
26600 cdLowest candela
Beam distance
1860 m (6102 ft)Highest
305 m (1001 ft)Lowest
Max runtime
316 minShortest runtime
144000 minLongest runtime
Power & durability
Battery type
4x 21700 rechargeable lithium-ion batteries (parallel configuration)
21700 proprietary lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8 (2 meters)
IPX8
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
Aluminum, hard anodized
Aluminum 6061-T6
Use case profile
Best for
Search and rescueLong distance throwOutdoor activities requiring high output and long range
Tactical useHuntingSearch and rescueSecurity patrolRoadside emergenciesOutdoor adventuresEmergency preparedness
Common praise
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.
High brightness and long throwGood build quality and ruggednessVersatile and intuitive interfaceLong battery life especially in firefly modeProprietary battery includedUSB-C chargingVersatile carrying options including reversible clip and holster
Common complaints
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.
Proprietary battery limits battery replacement optionsSome users find the size and weight bulky for pocket carry
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