Comparison Console
Fenix PD25 vs Olight Diffuse
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD25 stands out as the lightest option for weight, with about a 18% gap from the closest alternative. Olight Diffuse stands out as the cheapest option for retail price, with about a 56% gap from the closest alternative. Olight Diffuse stands out as the highest output option for max lumens, with about a 27% gap from the closest alternative.
Decision Signals
What stands out
Olight Diffuse stands out as the cheapest option for retail price, with about a 56% gap from the closest alternative.
Fenix PD25 stands out as the most expensive option for retail price, with about a 127% gap from the closest alternative.
Fenix PD25 stands out as the lightest option for weight, with about a 18% gap from the closest alternative.
Olight Diffuse stands out as the heaviest option for weight, with about a 22% gap from the closest alternative.
Fenix PD25 stands out as the lowest output option for max lumens, with about a 21% gap from the closest alternative.
Olight Diffuse stands out as the highest output option for max lumens, with about a 27% gap from the closest alternative.
Fenix PD25 stands out as the shortest runtime option for max runtime, with about a 71% gap from the closest alternative.
Olight Diffuse stands out as the longest runtime option for max runtime, with about a 240% 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$75Most expensive
US$32.99Cheapest
Weight
47 g (1.66 oz)Lightest
57.5 g (2.03 oz)Heaviest
Length
93 mm (3.66 in)Longest
87 mm (3.43 in)Shortest
Output
Max lumens
550 lmLowest output
700 lmHighest output
Max candela
4225 cdHighest candela
1700 cdLowest candela
Beam distance
130 m (427 ft)Highest
80 m (262 ft)Lowest
Max runtime
3180 minShortest runtime
10800 minLongest runtime
Power & durability
Battery type
One 16340 rechargeable Li-ion or 3V CR123A Lithium battery
14500 lithium-ion (also compatible with AA primary or NiMH)
Charging type
USB rechargeable (ARB-L16-700U included)
USB-C charging via battery
Rechargeable
Yes
Yes
IP rating
IPX8 (waterproof to 2 meters)
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
Aircraft-grade aluminum with Type III hard-anodized anti-abrasion finish
Unknown
Use case profile
Best for
EDCOutdoor UseTactical Applications
EDC UseTool Kit Or Toolbox LightUsers Needing Anti Roll ShapeUsers Wanting Waterproof Light
Common praise
Compact Size Yet Powerful OutputDurable Aircraft Grade Aluminum ConstructionGood Battery Options With Included Rechargeable 16340 CellDual Switch Design With Momentary On Tail SwitchWaterproof To 2 Meters Ipx8 RatingLong Runtime On Lowest Setting
Good Waterproof Rating (ipx8)Anti Roll Pentagon ShapeGood Output And RuntimeConvenient Battery With Onboard USB C ChargingNice E Switch With Indicator And Lockout
Common complaints
Relatively Large Size For A 16340 Battery LightMode Memory Can Be Confusing If Last Mode Was Strobe
No Knurling Makes Grip Less SecureTailcap Is Small And Fiddly To UnscrewNo Built In Charging In Flashlight (battery Charges Externally)Limited Documentation On Aa Battery Mode
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