Comparison Console
Nitecore EDC37 vs Nitecore SRT6i
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Nitecore SRT6i stands out as the lightest option for weight, with about a 16% gap from the closest alternative. Nitecore EDC37 stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative. Nitecore EDC37 stands out as the highest output option for max lumens, with about a 281% gap from the closest alternative.
Decision Signals
What stands out
Nitecore EDC37 stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative.
Nitecore SRT6i stands out as the most expensive option for retail price, with about a 4% gap from the closest alternative.
Nitecore SRT6i stands out as the lightest option for weight, with about a 16% gap from the closest alternative.
Nitecore EDC37 stands out as the heaviest option for weight, with about a 19% gap from the closest alternative.
Nitecore SRT6i stands out as the lowest output option for max lumens, with about a 74% gap from the closest alternative.
Nitecore EDC37 stands out as the highest output option for max lumens, with about a 281% gap from the closest alternative.
Nitecore SRT6i stands out as the shortest runtime option for max runtime, with about a 63% gap from the closest alternative.
Nitecore EDC37 stands out as the longest runtime option for max runtime, with about a 171% 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$145.49Most expensive
Weight
199 g (7.02 oz)Heaviest
167 g (5.89 oz)Lightest
Length
108 mm (4.25 in)Shortest
163 mm (6.42 in)Longest
Output
Max lumens
8000 lmHighest output
2100 lmLowest output
Max candela
44010 cdLowest candela
65200 cdHighest candela
Beam distance
420 m (1378 ft)Lowest
510 m (1673 ft)Highest
Max runtime
11400 minLongest runtime
4200 minShortest runtime
Power & durability
Battery type
Built-in Li-ion battery
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Charging type
USB-C fast charging (18W)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP54
IP68
Impact resistance
2 m (7 ft)
2 m (7 ft)
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; strike bezel with high strength silicon nitride ceramics
Use case profile
Best for
Tactical EDCSecurity patrolLaw enforcementSearch and rescuePersonal defenseEmergency lighting
Tactical useLong range searchlightLaw enforcementHunting
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
Intuitive no-nonsense user interface with rotary selector ringImpressive long throw and beam intensitySolid build quality with durable materialsIntegrated USB-C charging with included proprietary batteryTactical features such as strobe ready mode and lockout
Common complaints
IP54 rating lower than typical IP67/IP68 for full waterproof useBattery is not user replaceableMomentary high output duration limited by thermal regulation
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
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