Comparison Console
Nitecore EDC37 vs Nitecore TM20K
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore EDC37 stands out as the lightest option for weight, with about a 53% gap from the closest alternative. Nitecore EDC37 stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 150% gap from the closest alternative.
Decision Signals
What stands out
Nitecore EDC37 stands out as the cheapest option for retail price, with about a 53% gap from the closest alternative.
Nitecore TM20K stands out as the most expensive option for retail price, with about a 114% gap from the closest alternative.
Nitecore EDC37 stands out as the lightest option for weight, with about a 53% gap from the closest alternative.
Nitecore TM20K stands out as the heaviest option for weight, with about a 112% gap from the closest alternative.
Nitecore EDC37 stands out as the lowest output option for max lumens, with about a 60% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 150% gap from the closest alternative.
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 93% gap from the closest alternative.
Nitecore EDC37 stands out as the longest runtime option for max runtime, with about a 1362% 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$140Cheapest
US$299.95Most expensive
Weight
199 g (7.02 oz)Lightest
422 g (14.89 oz)Heaviest
Length
108 mm (4.25 in)Shortest
145.5 mm (5.73 in)Longest
Output
Max lumens
8000 lmLowest output
20000 lmHighest output
Max candela
44010 cdHighest candela
22200 cdLowest candela
Beam distance
420 m (1378 ft)Highest
290 m (951 ft)Lowest
Max runtime
11400 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
Built-in Li-ion battery
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
USB-C fast charging (18W)
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IP54
IP68
Impact resistance
2 m (7 ft)Highest
1 m (3 ft)Lowest
Material
Stainless steel with PVD coating and carbon fiber reinforced polymer frame with aluminum heat dissipation plate
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
Tactical EDCSecurity PatrolLaw EnforcementSearch And RescuePersonal DefenseEmergency Lighting
Tactical ActivitiesSearch And RescueOutdoor ActivitiesIndustrial UseSelf Preservation And Active Threat Mitigation
Common praise
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
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
Ip54 Rating Lower Than Typical Ip67/ip68 For Full Waterproof UseBattery Is Not User ReplaceableMomentary High Output Duration Limited By Thermal Regulation
Relatively Heavy And Bulky For Everyday CarryBurst Mode Duration Is Short
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