Comparison Console
Acebeam PT20 vs Sofirn SC31B
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 20% gap from the closest alternative. Sofirn SC31B stands out as the cheapest option for retail price, with about a 2% gap from the closest alternative. Sofirn SC31B stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC31B stands out as the cheapest option for retail price, with about a 2% gap from the closest alternative.
Acebeam PT20 stands out as the most expensive option for retail price, with about a 2% gap from the closest alternative.
Acebeam PT20 stands out as the lightest option for weight, with about a 20% gap from the closest alternative.
Sofirn SC31B stands out as the heaviest option for weight, with about a 26% gap from the closest alternative.
Acebeam PT20 stands out as the lowest output option for max lumens, with about a 50% gap from the closest alternative.
Sofirn SC31B stands out as the highest output option for max lumens, with about a 100% gap from the closest alternative.
Acebeam PT20 stands out as the shortest runtime option for max runtime, with about a 65% gap from the closest alternative.
Sofirn SC31B stands out as the longest runtime option for max runtime, with about a 186% 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$38.95Cheapest
Weight
47 g (1.66 oz)Lightest
59 g (2.08 oz)Heaviest
Length
132.5 mm (5.22 in)Longest
117.5 mm (4.63 in)Shortest
Output
Max lumens
500 lmLowest output
1000 lmHighest output
Max candela
1600 cdLowest candela
10750 cdHighest candela
Beam distance
80 m (262 ft)Lowest
207 m (679 ft)Highest
Max runtime
1680 minShortest runtime
4800 minLongest runtime
Power & durability
Battery type
1 x 10880 USB-C Li-ion battery, compatible with 2 x AAA alkaline/NiMH batteries
18650 rechargeable lithium-ion
Charging type
USB-C (battery charging port)
Micro USB
Rechargeable
Yes
Yes
IP rating
IP68 (2m waterproof for 30 minutes)
Unknown
Impact resistance
1.5 m (5 ft)
Unknown
Material
Al6061-T6 aluminum alloy with HAIII hard-anodized finish
6061 Aluminum Alloy
Use case profile
Best for
Everyday CarryTravelEmergency LightingInspection Work
Everyday Carry (EDC)Home UseOutdoor Activities Such As Camping, Hiking, Caving, Dog Walking, Fishing
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 Value Budget LightUSB Charging IncludedStrong Pocket ClipSimple And Easy User InterfaceSolid Build Quality With Anodised Finish And Gold Plated Springs
Common complaints
Carbon Fiber Finish Can Be Slick To HoldLow Cri (~70) Not Ideal For Color Critical TasksNo Standby Light Current
No Dedicated Ultra Low Moonlight ModeMode Memory Can Be Inconvenient To Access Lowest ModesClip Is Not Reversible And Protrudes Beyond Light LengthMicro USB Instead Of USB C ChargingNo Lanyard Included In Some Packages
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