Comparison Console
Fenix LR80R vs ThruNite TN42
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TN42 stands out as the lightest option for weight, with about a 60% gap from the closest alternative. ThruNite TN42 stands out as the cheapest option for retail price, with about a 29% gap from the closest alternative. Fenix LR80R stands out as the highest output option for max lumens, with about a 271% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TN42 stands out as the cheapest option for retail price, with about a 29% gap from the closest alternative.
Fenix LR80R stands out as the most expensive option for retail price, with about a 41% gap from the closest alternative.
ThruNite TN42 stands out as the lightest option for weight, with about a 60% gap from the closest alternative.
Fenix LR80R stands out as the heaviest option for weight, with about a 152% gap from the closest alternative.
ThruNite TN42 stands out as the lowest output option for max lumens, with about a 73% gap from the closest alternative.
Fenix LR80R stands out as the highest output option for max lumens, with about a 271% gap from the closest alternative.
ThruNite TN42 stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Fenix LR80R stands out as the longest runtime option for max runtime, with about a 5596% 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$388Most expensive
US$275Cheapest
Weight
1636 g (57.71 oz)Heaviest
648 g (22.86 oz)Lightest
Length
259.08 mm (10.20 in)Longest
190.5 mm (7.50 in)Shortest
Output
Max lumens
18000 lmHighest output
4848 lmLowest output
Max candela
318000 cdLowest candela
864000 cdHighest candela
Beam distance
1130 m (3707 ft)Lowest
1860 m (6102 ft)Highest
Max runtime
18000 minLongest runtime
316 minShortest runtime
Power & durability
Battery type
Built-in 7.2V/12000 mAh Li-ion battery pack
4x 21700 rechargeable lithium-ion batteries (parallel configuration)
Charging type
USB Type-C 45W fast charging
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8 (2 meters)
Impact resistance
1 m (3 ft)Lowest
1.5 m (5 ft)Highest
Material
A6061-T6 aluminium with HAIII hard-anodized anti-abrasive finish
Aluminum, hard anodized
Use case profile
Best for
Search and rescue missionsOutdoor enthusiastsProfessionals needing powerful illumination
Search and rescueLong distance throwOutdoor activities requiring high output and long range
Common praise
Extremely bright output up to 18000 lumensVery long beam distance up to 1130 metersDurable aluminum construction with IP68 ratingDual switch for easy mode switchingFast USB Type-C charging
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 weight and large size limits pocket carryHigh runtime only in lower output modesComplex interface for casual users
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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