Comparison Console
Acebeam T37 vs Fenix PD25R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD25R stands out as the lightest option for weight, with about a 46% gap from the closest alternative. Fenix PD25R stands out as the cheapest option for retail price, with about a 38% gap from the closest alternative. Acebeam T37 stands out as the highest output option for max lumens, with about a 300% gap from the closest alternative.
Decision Signals
What stands out
Fenix PD25R stands out as the cheapest option for retail price, with about a 38% gap from the closest alternative.
Acebeam T37 stands out as the most expensive option for retail price, with about a 62% gap from the closest alternative.
Fenix PD25R stands out as the lightest option for weight, with about a 46% gap from the closest alternative.
Acebeam T37 stands out as the heaviest option for weight, with about a 84% gap from the closest alternative.
Fenix PD25R stands out as the lowest output option for max lumens, with about a 75% gap from the closest alternative.
Acebeam T37 stands out as the highest output option for max lumens, with about a 300% gap from the closest alternative.
Fenix PD25R stands out as the shortest runtime option for max runtime, with about a 95% gap from the closest alternative.
Acebeam T37 stands out as the longest runtime option for max runtime, with about a 1957% 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$79.95Cheapest
Weight
202 g (7.13 oz)Heaviest
110 g (3.88 oz)Lightest
Length
145.2 mm (5.72 in)Longest
134 mm (5.28 in)Shortest
Output
Max lumens
4000 lmHighest output
1000 lmLowest output
Max candela
48400 cd
Unknown
Beam distance
440 m (1444 ft)Highest
180 m (591 ft)Lowest
Max runtime
4320 minLongest runtime
210 minShortest runtime
Power & durability
Battery type
21700 rechargeable battery
1 x 18650 rechargeable or 2 x CR123A
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
Unknown
1.5 m (5 ft)
Material
Black anodized aluminum
Aircraft grade aluminium alloy
Use case profile
Best for
Tactical useDuty useEDCSelf-defenseSearch and rescue
Everyday CarryOutdoorTacticalHiking
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
Compact and portable sizeHigh output and beam distance for its sizeReliable and well-built with IP68 waterproof ratingUSB-C charging convenienceGood mode variety and memory function
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
Smaller size can be difficult for large handsNo detailed max candela specification availableRuntime data varies with battery choice and isn’t always clearly specified