Comparison Console
Fenix LR36R vs Nitecore TM20K
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore TM20K stands out as the lightest option for weight, with about a 14% gap from the closest alternative. Nitecore TM20K stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative.
Decision Signals
What stands out
Nitecore TM20K stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Fenix LR36R stands out as the most expensive option for retail price, with about a 20% gap from the closest alternative.
Nitecore TM20K stands out as the lightest option for weight, with about a 14% gap from the closest alternative.
Fenix LR36R stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Fenix LR36R stands out as the lowest output option for max lumens, with about a 50% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative.
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 87% gap from the closest alternative.
Fenix LR36R stands out as the longest runtime option for max runtime, with about a 685% 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$360Most expensive
US$299.95Cheapest
Weight
493 g (17.39 oz)Heaviest
422 g (14.89 oz)Lightest
Length
161 mm (6.34 in)Longest
145.5 mm (5.73 in)Shortest
Output
Max lumens
10000 lmLowest output
20000 lmHighest output
Max candela
396600 cdHighest candela
22200 cdLowest candela
Beam distance
1260 m (4134 ft)Highest
290 m (951 ft)Lowest
Max runtime
6120 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
2x 21700 Li-ion (Fenix ARB-L21-5000 V2.0)
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
USB-C charging port, supports onboard charging and can function as power bank
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IP68 (up to 2 meters for 30 minutes)
IP68
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aerospace hardened aluminum with Type III hard anodized finish, hardened ultra clear glass lens with anti-reflective coating, stainless steel bezel
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
Search and rescueOutdoor activitiesProfessional use with long-range illumination needsCampingSurveillance and object protection
Tactical activitiesSearch and rescueOutdoor activitiesIndustrial useSelf-preservation and active threat mitigation
Common praise
Extremely high output for both throw and flood illuminationHybrid LEP + LED system provides versatile lightingOLED display gives real-time battery and brightness infoDurable aerospace-grade aluminum construction with excellent waterproofingIncluded accessories such as holster, lanyard, and USB-C charging cableSmooth and stepless brightness adjustment via rotary switch
Extremely high brightness outputSolid and durable CNC machined unibody constructionVersatile dual switch with tactical featuresStable output with advanced thermal regulationGood waterproofing and impact resistance
Common complaints
Relatively heavy and bulky, limiting everyday carry convenienceLaser classification 3B requires careful handling and specialized purchase requirementsUser interface can be confusing with mode switching and locking mechanismsBattery runtime estimates on OLED can be inconsistent
Relatively heavy and bulky for everyday carryBurst mode duration is short
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