Comparison Console
Acebeam PT20 vs Olight Diffuse
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam PT20 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 17% gap from the closest alternative. Olight Diffuse stands out as the highest output option for max lumens, with about a 40% gap from the closest alternative.
Decision Signals
What stands out
Olight Diffuse stands out as the cheapest option for retail price, with about a 17% gap from the closest alternative.
Acebeam PT20 stands out as the most expensive option for retail price, with about a 21% gap from the closest alternative.
Acebeam PT20 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.
Acebeam PT20 stands out as the lowest output option for max lumens, with about a 29% gap from the closest alternative.
Olight Diffuse stands out as the highest output option for max lumens, with about a 40% gap from the closest alternative.
Acebeam PT20 stands out as the shortest runtime option for max runtime, with about a 84% gap from the closest alternative.
Olight Diffuse stands out as the longest runtime option for max runtime, with about a 543% 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$39.9Most expensive
US$32.99Cheapest
Weight
47 g (1.66 oz)Lightest
57.5 g (2.03 oz)Heaviest
Length
132.5 mm (5.22 in)Longest
87 mm (3.43 in)Shortest
Output
Max lumens
500 lmLowest output
700 lmHighest output
Max candela
1600 cdLowest candela
1700 cdHighest candela
Beam distance
80 m (262 ft)
80 m (262 ft)
Max runtime
1680 minShortest runtime
10800 minLongest runtime
Power & durability
Battery type
1 x 10880 USB-C Li-ion battery, compatible with 2 x AAA alkaline/NiMH batteries
14500 lithium-ion (also compatible with AA primary or NiMH)
Charging type
USB-C (battery charging port)
USB-C charging via battery
Rechargeable
Yes
Yes
IP rating
IP68 (2m waterproof for 30 minutes)
IPX8
Impact resistance
1.5 m (5 ft)
Unknown
Material
Al6061-T6 aluminum alloy with HAIII hard-anodized finish
Unknown
Use case profile
Best for
Everyday CarryTravelEmergency LightingInspection Work
EDC UseTool Kit Or Toolbox LightUsers Needing Anti Roll ShapeUsers Wanting Waterproof Light
Common praise
Compact Size And Lightweight DesignGood Balance Of Brightness And RuntimeConvenient Two Way ClipIncludes Rechargeable Battery With USB C ChargingComfortable Pen Shaped GripReliable Tail Switch Operation
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
Carbon Fiber Finish Can Be Slick To HoldLow Cri (~70) Not Ideal For Color Critical TasksNo Standby Light Current
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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