Comparison Console
Fenix LR40R V2.0 vs ThruNite TN31
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 33% gap from the closest alternative. ThruNite TN31 stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative. Fenix LR40R V2.0 stands out as the highest output option for max lumens, with about a 1208% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TN31 stands out as the cheapest option for retail price, with about a 30% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the most expensive option for retail price, with about a 44% gap from the closest alternative.
ThruNite TN31 stands out as the lightest option for weight, with about a 33% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the heaviest option for weight, with about a 49% gap from the closest alternative.
ThruNite TN31 stands out as the lowest output option for max lumens, with about a 92% gap from the closest alternative.
Fenix LR40R V2.0 stands out as the highest output option for max lumens, with about a 1208% gap from the closest alternative.
Fenix LR40R V2.0 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 363536% 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$315.92Most expensive
US$220Cheapest
Weight
850 g (29.98 oz)Heaviest
572.1 g (20.18 oz)Lightest
Length
175 mm (6.89 in)Shortest
203 mm (7.99 in)Longest
Output
Max lumens
15000 lmHighest output
1147 lmLowest output
Max candela
Unknown
75000 cd
Beam distance
900 m (2953 ft)Highest
700 m (2297 ft)Lowest
Max runtime
33 minShortest runtime
120000 minLongest runtime
Power & durability
Battery type
Built-in rechargeable Li-ion battery pack 12000 mAh (or 1 to 4 x 18650 cells)
3x18650
Charging type
USB Type-C fast charging (QC3.0 compatible)
Unknown
Rechargeable
Yes
Unknown
IP rating
IP68
IPX8
Impact resistance
Unknown
1.2 m (4 ft)
Material
Unknown
Aircraft grade aluminum with type III hard anodized finish
Use case profile
Best for
Search and rescueOutdoor contractorsHigh output lighting needsLong-range and wide-area illumination
Long distance throwTactical useSearch and rescueOutdoor activitiesEmergency useSelf-defense
Common praise
Excellent brightness and balanced beam for both throw and floodDurable and waterproof design (IP68)Fast USB-C charging and battery level indicatorGood runtime especially on lower modesErgonomic and solid build quality
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
Common complaints
Heaviest and largest in its class for EDCHighest output modes are temperature limited with short runtime at max output
Heavy and bulky compared to smaller EDC lightsBattery carrier fits very wide batteries tightlyInitial sealed case foam had acrid smell
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