Comparison Console
Sofirn IF23 Pro vs Sofirn SK31
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn IF23 Pro stands out as the lightest option for weight, with about a 10% gap from the closest alternative. Sofirn SK31 stands out as the cheapest option for retail price. Sofirn SK31 stands out as the highest output option for max lumens, with about a 36% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SK31 stands out as the cheapest option for retail price.
Sofirn IF23 Pro stands out as the most expensive option for retail price.
Sofirn IF23 Pro stands out as the lightest option for weight, with about a 10% gap from the closest alternative.
Sofirn SK31 stands out as the heaviest option for weight, with about a 11% gap from the closest alternative.
Sofirn IF23 Pro stands out as the lowest output option for max lumens, with about a 26% gap from the closest alternative.
Sofirn SK31 stands out as the highest output option for max lumens, with about a 36% gap from the closest alternative.
Sofirn IF23 Pro stands out as the shortest option for length, with about a 14% gap from the closest alternative.
Sofirn SK31 stands out as the longest option for length, with about a 16% 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$53Most expensive
US$52.99Cheapest
Weight
202 g (7.13 oz)Lightest
223.3 g (7.88 oz)Heaviest
Length
134 mm (5.28 in)Shortest
156.1 mm (6.15 in)Longest
Output
Max lumens
5000 lmLowest output
6800 lmHighest output
Max candela
14600 cd
Unknown
Beam distance
242 m (794 ft)Lowest
395 m (1296 ft)Highest
Max runtime
Unknown
30000 min
Power & durability
Battery type
1 x 21700 rechargeable battery
21700 Li-ion rechargeable
Charging type
USB Type-C
USB-C 5V 3A, approx. 3 hours charging time
Rechargeable
Yes
Yes
IP rating
IP66
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
Unknown
Aluminum alloy body, stainless steel bezel with tungsten spheres
Use case profile
Best for
Everyday CarryProjectsCampingEmergenciesPhotographyCar RepairsAmbient Light
Tactical UseOutdoor UseSearch And RescueLaw EnforcementEDCHome DefensePatrol Duty
Common praise
High Brightness Output With Sustained Brightness Due To Buck DriverVersatile Use With Main And Side Lights Plus Rgb ModesConvenient USB C Charging And Power Bank FunctionalityGood Build Quality With Grippy Anodized FinishSimplified And Intuitive User InterfaceGood Value For Feature Set
High Max Output Of 6800 LumensLong Beam Distance (395 Meters)Robust Aluminum Body With Stainless Steel Bezel And Tungsten Spheres For Glass BreakingEfficient Lhp73b LED Emitter With Clean TintTriple Switch Interface Allowing Intuitive ControlExcellent Water Resistance With Screwable Aluminum USB C CoverLong Runtime Up To 500 Hours On Low ModeIncluded Rechargeable 21700 BatteryBattery Indicator For Charge Level
Common complaints
Side Light Output Dims As Battery Voltage Drops Due To Fet DriverRgb Lights Lack Dimming Control And Can Be Too Bright For Close UseHeavier Than Some Other EDC FlashlightsNo Warm Main LED Version Available Yet
Lockout Switch Placement Can Be AwkwardLockout Switch Sometimes Malfunctions Causing Failure To Turn On (resolvable By Toggling Lockout)Included Battery Has Lower Continuous Discharge Rating (cdr) Than Recommended For Max Turbo Output
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