Comparison Console
Nitecore SRT6i vs Nitecore TM20K
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 60% gap from the closest alternative. Nitecore SRT6i stands out as the cheapest option for retail price, with about a 51% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 852% gap from the closest alternative.
Decision Signals
What stands out
Nitecore SRT6i stands out as the cheapest option for retail price, with about a 51% gap from the closest alternative.
Nitecore TM20K stands out as the most expensive option for retail price, with about a 106% gap from the closest alternative.
Nitecore SRT6i stands out as the lightest option for weight, with about a 60% gap from the closest alternative.
Nitecore TM20K stands out as the heaviest option for weight, with about a 153% gap from the closest alternative.
Nitecore SRT6i stands out as the lowest output option for max lumens, with about a 90% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 852% gap from the closest alternative.
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 81% gap from the closest alternative.
Nitecore SRT6i stands out as the longest runtime option for max runtime, with about a 438% 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$145.49Cheapest
US$299.95Most expensive
Weight
167 g (5.89 oz)Lightest
422 g (14.89 oz)Heaviest
Length
163 mm (6.42 in)Longest
145.5 mm (5.73 in)Shortest
Output
Max lumens
2100 lmLowest output
20000 lmHighest output
Max candela
65200 cdHighest candela
22200 cdLowest candela
Beam distance
510 m (1673 ft)Highest
290 m (951 ft)Lowest
Max runtime
4200 minLongest runtime
780 minShortest runtime
Power & durability
Battery type
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
USB Type-C
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
2 m (7 ft)Highest
1 m (3 ft)Lowest
Material
Aero grade aluminum alloy with HA III military grade hard-anodized finish; strike bezel with high strength silicon nitride ceramics
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
Tactical useLong range searchlightLaw enforcementHunting
Tactical activitiesSearch and rescueOutdoor activitiesIndustrial useSelf-preservation and active threat mitigation
Common praise
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
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
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
Relatively heavy and bulky for everyday carryBurst mode duration is short
Dataset Expansion
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