Comparison Console
Fenix TK20R V2.0 vs Nitecore EDC37
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix TK20R V2.0 stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Fenix TK20R V2.0 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Nitecore EDC37 stands out as the highest output option for max lumens, with about a 167% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK20R V2.0 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Nitecore EDC37 stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
Nitecore EDC37 stands out as the heaviest option for weight, with about a 8% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the lowest output option for max lumens, with about a 63% gap from the closest alternative.
Nitecore EDC37 stands out as the highest output option for max lumens, with about a 167% gap from the closest alternative.
Fenix TK20R V2.0 stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Nitecore EDC37 stands out as the longest runtime option for max runtime, with about a 4900% 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$129.95Cheapest
US$140Most expensive
Weight
184 g (6.49 oz)Lightest
199 g (7.02 oz)Heaviest
Length
148 mm (5.83 in)Longest
108 mm (4.25 in)Shortest
Output
Max lumens
3000 lmLowest output
8000 lmHighest output
Max candela
56400 cdHighest candela
44010 cdLowest candela
Beam distance
475 m (1558 ft)Highest
420 m (1378 ft)Lowest
Max runtime
228 minShortest runtime
11400 minLongest runtime
Power & durability
Battery type
1×21700 rechargeable lithium-ion battery (Fenix ARB-L21-5000 V2.0 included)
Built-in Li-ion battery
Charging type
USB Type-C
USB-C fast charging (18W)
Rechargeable
Yes
Yes
IP rating
IP68
IP54
Impact resistance
2 m (7 ft)
2 m (7 ft)
Material
Aluminum (A6061-T6) with hard-anodized finish
Stainless steel with PVD coating and carbon fiber reinforced polymer frame with aluminum heat dissipation plate
Use case profile
Best for
Tactical UseLong Range ThrowEDCOutdoor ExplorationLaw EnforcementSecuritySearch & Rescue
Tactical EDCSecurity PatrolLaw EnforcementSearch And RescuePersonal DefenseEmergency Lighting
Common praise
High Output With Excellent Throw PerformanceDurable Aluminum Construction With Waterproof RatingConvenient USB C Charging And Included BatteryGood Ergonomic Design And BalanceHighly Rated By Customers With Strong Value For Money
High Maximum Brightness For Compact SizeUseful Oled Real Time Display With Mode, Brightness, Battery And Runtime InfoPhysical Lockout Switch Prevents Accidental ActivationGood Output Regulation With Temperature ManagementSolid Build Quality With Tactical DesignFast USB C Charging With Large Built In BatteryMultiple Usable Modes Including Flood And Spotlight
Common complaints
Heavier And Larger Than Compact EDC LightsNo Electronic Lockout Feature Requiring Physical Tailcap Lock To Prevent ActivationMay Downshift In Output After Extended Use Due To Thermal Regulation
Ip54 Rating Lower Than Typical Ip67/ip68 For Full Waterproof UseBattery Is Not User ReplaceableMomentary High Output Duration Limited By Thermal Regulation
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