Comparison Console
Acebeam T37 vs Wuben A21
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam T37 stands out as the lightest option for weight, with about a 7% gap from the closest alternative. Wuben A21 stands out as the highest output option for max lumens, with about a 5% gap from the closest alternative. Acebeam T37 stands out as the longest runtime option for max runtime, with about a 2300% gap from the closest alternative.
Decision Signals
What stands out
Acebeam T37 stands out as the lightest option for weight, with about a 7% gap from the closest alternative.
Wuben A21 stands out as the heaviest option for weight, with about a 7% gap from the closest alternative.
Acebeam T37 stands out as the lowest output option for max lumens, with about a 5% gap from the closest alternative.
Wuben A21 stands out as the highest output option for max lumens, with about a 5% gap from the closest alternative.
Wuben A21 stands out as the shortest runtime option for max runtime, with about a 96% gap from the closest alternative.
Acebeam T37 stands out as the longest runtime option for max runtime, with about a 2300% gap from the closest alternative.
Wuben A21 stands out as the shortest option for length, with about a 7% gap from the closest alternative.
Acebeam T37 stands out as the longest option for length, with about a 8% 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$129.9
Unknown
Weight
202 g (7.13 oz)Lightest
217 g (7.65 oz)Heaviest
Length
145.2 mm (5.72 in)Longest
135 mm (5.31 in)Shortest
Output
Max lumens
4000 lmLowest output
4200 lmHighest output
Max candela
48400 cdHighest candela
12854 cdLowest candela
Beam distance
440 m (1444 ft)Highest
222 m (728 ft)Lowest
Max runtime
4320 minLongest runtime
180 minShortest runtime
Power & durability
Battery type
21700 rechargeable battery
1x 21700 lithium-ion
Charging type
USB Type-C
USB-C (up to 2A)
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
Unknown
Material
Black anodized aluminum
Aluminum body, stainless steel bezel
Use case profile
Best for
Tactical UseDuty UseEDCSelf DefenseSearch And Rescue
EDC UseHigh Output Flood LightingDurability
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 Quality Build And MaterialsImpressive Output Close To Rated 4200 LumensHigh Beam Intensity And Wide Flood BeamDurable Stainless Steel BezelConvenient USB C Charging With Included BatteryGood Mode Memory And Lock Out Features
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
Tailcap Difficult To UnscrewParasitic Drain Causing Slow Battery DischargeSound Of Metal Parts During High Heat RuntimeLong Battery Does Not Fit Most Chargers
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