Comparison Console
Acebeam T37 vs ThruNite TT20
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TT20 stands out as the lightest option for weight, with about a 10% gap from the closest alternative. ThruNite TT20 stands out as the cheapest option for retail price, with about a 54% gap from the closest alternative. Acebeam T37 stands out as the highest output option for max lumens, with about a 58% gap from the closest alternative.
Decision Signals
What stands out
ThruNite TT20 stands out as the cheapest option for retail price, with about a 54% gap from the closest alternative.
Acebeam T37 stands out as the most expensive option for retail price, with about a 117% gap from the closest alternative.
ThruNite TT20 stands out as the lightest option for weight, with about a 10% gap from the closest alternative.
Acebeam T37 stands out as the heaviest option for weight, with about a 12% gap from the closest alternative.
ThruNite TT20 stands out as the lowest output option for max lumens, with about a 37% gap from the closest alternative.
Acebeam T37 stands out as the highest output option for max lumens, with about a 58% gap from the closest alternative.
Acebeam T37 stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
ThruNite TT20 stands out as the longest runtime option for max runtime, with about a 3233% 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$129.9Most expensive
US$59.95Cheapest
Weight
202 g (7.13 oz)Heaviest
181.1 g (6.39 oz)Lightest
Length
145.2 mm (5.72 in)Longest
136 mm (5.35 in)Shortest
Output
Max lumens
4000 lmHighest output
2526 lmLowest output
Max candela
48400 cdHighest candela
26600 cdLowest candela
Beam distance
440 m (1444 ft)Highest
305 m (1001 ft)Lowest
Max runtime
4320 minShortest runtime
144000 minLongest runtime
Power & durability
Battery type
21700 rechargeable battery
21700 proprietary lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
1.5 m (5 ft)
Material
Black anodized aluminum
Aluminum 6061-T6
Use case profile
Best for
Tactical UseDuty UseEDCSelf DefenseSearch And Rescue
Tactical UseHuntingSearch And RescueSecurity PatrolRoadside EmergenciesOutdoor AdventuresEmergency Preparedness
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
High Brightness And Long ThrowGood Build Quality And RuggednessVersatile And Intuitive InterfaceLong Battery Life Especially In Firefly ModeProprietary Battery IncludedUSB C ChargingVersatile Carrying Options Including Reversible Clip And Holster
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
Proprietary Battery Limits Battery Replacement OptionsSome Users Find The Size And Weight Bulky For Pocket Carry
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