Comparison Console
Acebeam T37 vs Fenix E28R V2.0
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix E28R V2.0 stands out as the lightest option for weight, with about a 37% gap from the closest alternative. Fenix E28R V2.0 stands out as the cheapest option for retail price, with about a 50% gap from the closest alternative. Acebeam T37 stands out as the highest output option for max lumens, with about a 135% gap from the closest alternative.
Decision Signals
What stands out
Fenix E28R V2.0 stands out as the cheapest option for retail price, with about a 50% gap from the closest alternative.
Acebeam T37 stands out as the most expensive option for retail price, with about a 100% gap from the closest alternative.
Fenix E28R V2.0 stands out as the lightest option for weight, with about a 37% gap from the closest alternative.
Acebeam T37 stands out as the heaviest option for weight, with about a 58% gap from the closest alternative.
Fenix E28R V2.0 stands out as the lowest output option for max lumens, with about a 57% gap from the closest alternative.
Acebeam T37 stands out as the highest output option for max lumens, with about a 135% gap from the closest alternative.
Acebeam T37 stands out as the shortest runtime option for max runtime, with about a 72% gap from the closest alternative.
Fenix E28R V2.0 stands out as the longest runtime option for max runtime, with about a 261% 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$64.95Cheapest
Weight
202 g (7.13 oz)Heaviest
128 g (4.52 oz)Lightest
Length
145.2 mm (5.72 in)Longest
121 mm (4.76 in)Shortest
Output
Max lumens
4000 lmHighest output
1700 lmLowest output
Max candela
48400 cdHighest candela
18588 cdLowest candela
Beam distance
440 m (1444 ft)Highest
273 m (896 ft)Lowest
Max runtime
4320 minShortest runtime
15600 minLongest runtime
Power & durability
Battery type
21700 rechargeable battery
1×18650 lithium-ion (ARB-L18-3400) or 2×CR123A
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
Unknown
1 m (3 ft)
Material
Black anodized aluminum
Aluminum alloy with HAIII hard-anodized anti-abrasive finish
Use case profile
Best for
Tactical useDuty useEDCSelf-defenseSearch and rescue
Everyday carry (EDC)Daily commutingCampingHikingHands-free use with magnetic tail
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 output for sizeVersatile lighting modes including warning lightsUSB-C fast chargingSolid build quality and finishMagnetic tail for hands-free useGood runtime on lower modes
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
Slightly heavy for pocket carryTailcap is glued and only removable by tailNo included pouchBeam tint cooler and CRI moderate
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