Comparison Console
Acebeam T37 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 17% gap from the closest alternative. Acebeam T37 stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative. Acebeam T37 stands out as the highest output option for max lumens, with about a 90% gap from the closest alternative.
Decision Signals
What stands out
Acebeam T37 stands out as the cheapest option for retail price, with about a 11% gap from the closest alternative.
Nitecore SRT6i stands out as the most expensive option for retail price, with about a 12% gap from the closest alternative.
Nitecore SRT6i stands out as the lightest option for weight, with about a 17% gap from the closest alternative.
Acebeam T37 stands out as the heaviest option for weight, with about a 21% gap from the closest alternative.
Nitecore SRT6i stands out as the lowest output option for max lumens, with about a 48% gap from the closest alternative.
Acebeam T37 stands out as the highest output option for max lumens, with about a 90% gap from the closest alternative.
Nitecore SRT6i stands out as the shortest runtime option for max runtime, with about a 3% gap from the closest alternative.
Acebeam T37 stands out as the longest runtime option for max runtime, with about a 3% 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$129.9Cheapest
US$145.49Most expensive
Weight
202 g (7.13 oz)Heaviest
167 g (5.89 oz)Lightest
Length
145.2 mm (5.72 in)Shortest
163 mm (6.42 in)Longest
Output
Max lumens
4000 lmHighest output
2100 lmLowest output
Max candela
48400 cdLowest candela
65200 cdHighest candela
Beam distance
440 m (1444 ft)Lowest
510 m (1673 ft)Highest
Max runtime
4320 minLongest runtime
4200 minShortest runtime
Power & durability
Battery type
21700 rechargeable battery
1x21700i Li-ion (NL2150HPi 5000mAh), 2xCR123, 2xRCR123/16340
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
Unknown
2 m (7 ft)
Material
Black anodized aluminum
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 useDuty useEDCSelf-defenseSearch and rescue
Tactical useLong range searchlightLaw enforcementHunting
Common praise
High output with consistent brightnessTactile and easy-to-use rotary magnetic switchSolid build quality and durable anodized aluminum bodyLong runtime especially in Ultra Low mode (up to 72 hours)Convenient hidden USB-C charging portVersatile two-stage tail switchReplaceable battery
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
Relatively heavy at 202 grams for cap or lightweight carryRotary switch requires multiple turns to switch between certain modesHolster is stiff initially and tight fitting
Large head size makes pocket carry inconvenientRequires proprietary battery which limits standard battery use
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