Comparison Console
Acebeam T37 vs Fenix HM71R
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 3% gap from the closest alternative. Fenix HM71R stands out as the cheapest option for retail price, with about a 1% gap from the closest alternative. Acebeam T37 stands out as the highest output option for max lumens, with about a 48% gap from the closest alternative.
Decision Signals
What stands out
Fenix HM71R stands out as the cheapest option for retail price, with about a 1% gap from the closest alternative.
Acebeam T37 stands out as the most expensive option for retail price, with about a 1% gap from the closest alternative.
Acebeam T37 stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Fenix HM71R stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
Fenix HM71R stands out as the lowest output option for max lumens, with about a 33% gap from the closest alternative.
Acebeam T37 stands out as the highest output option for max lumens, with about a 48% gap from the closest alternative.
Acebeam T37 stands out as the shortest runtime option for max runtime, with about a 82% gap from the closest alternative.
Fenix HM71R stands out as the longest runtime option for max runtime, with about a 456% 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$128.5Cheapest
Weight
202 g (7.13 oz)Lightest
207.5 g (7.32 oz)Heaviest
Length
145.2 mm (5.72 in)Longest
106 mm (4.17 in)Shortest
Output
Max lumens
4000 lmHighest output
2700 lmLowest output
Max candela
48400 cdHighest candela
13300 cdLowest candela
Beam distance
440 m (1444 ft)Highest
230 m (755 ft)Lowest
Max runtime
4320 minShortest runtime
24000 minLongest runtime
Power & durability
Battery type
21700 rechargeable battery
1x21700 Li-ion rechargeable (Fenix ARB-L21-5000 V2.0 included)
Charging type
USB Type-C
USB Type-C (supports 2A charging current)
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
Unknown
2 m (7 ft)
Material
Black anodized aluminum
Unknown
Use case profile
Best for
Tactical useDuty useEDCSelf-defenseSearch and rescue
CampingWorkEmergency useGeneral purpose lightingHands-free tasks
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 maximum output of 2700 lumensGood beam distance of 230 metersVersatile dual LED (spot and flood)Solid build with IP68 waterproof rating and 2m impact resistanceMagnetic tailcap allows hands-free mounting on metal surfacesDetachable from headband for handheld useIncluded high capacity rechargeable 21700 battery with USB-C charging
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
Right angle form factor may not be ideal for dedicated headlamp use compared to T-type headlampsNo detailed information on switch type or material composition