High output with consistent brightness
Flashlight Record
Acebeam
Acebeam T37
The Acebeam T37 is a high-performance tactical handheld flashlight with a 4000 lumen output, 440 meter beam distance, USB-C rechargeable 21700 battery, and IP68 rating.
Last updated
Weight202 g (7.13 oz)
PriceUS$129.9
Max lumens4000 lm
Battery21700 Rechargeable Battery
Technical Specs
Specifications
CategoryHandheld Flashlight
Length145.2 mm (5.72 in)
Head diameter30 mm (1.18 in)
Body diameter26.3 mm (1.04 in)
Max lumens4000 lm
Max candela48400 cd
Beam distance440 m (1444 ft)
Max runtime4320 min
Battery type21700 Rechargeable Battery
RechargeableYes
Charging typeUSB Type-C
IP ratingIP68
Impact resistanceUnknown
MaterialBlack Anodized Aluminum
Switch typeRotary Magnetic Switch Plus Two-stage Tail Switch
Output Profile
Modes
Ultra LowLowMed1Med2HighTurboStrobeLockout
Carry Profile
Best for
Tactical UseDuty UseEDCSelf-defenseSearch And Rescue
Field Signals
Common praise
Tactile and easy-to-use rotary magnetic switch
Solid build quality and durable anodized aluminum body
Long runtime especially in Ultra Low mode (up to 72 hours)
Convenient hidden USB-C charging port
Versatile two-stage tail switch
Replaceable battery
Watchlist
Common complaints
Relatively heavy at 202 grams for cap or lightweight carry
Rotary switch requires multiple turns to switch between certain modes
Holster is stiff initially and tight fitting
Comparison Paths
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