Comparison Console
Sofirn SK31 vs Wurkkos TD01 SFT40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SK31 stands out as the lightest option for weight, with about a 15% gap from the closest alternative. Wurkkos TD01 SFT40 stands out as the cheapest option for retail price, with about a 23% gap from the closest alternative. Sofirn SK31 stands out as the highest output option for max lumens, with about a 209% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos TD01 SFT40 stands out as the cheapest option for retail price, with about a 23% gap from the closest alternative.
Sofirn SK31 stands out as the most expensive option for retail price, with about a 29% gap from the closest alternative.
Sofirn SK31 stands out as the lightest option for weight, with about a 15% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the heaviest option for weight, with about a 17% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the lowest output option for max lumens, with about a 68% gap from the closest alternative.
Sofirn SK31 stands out as the highest output option for max lumens, with about a 209% gap from the closest alternative.
Wurkkos TD01 SFT40 stands out as the shortest runtime option for max runtime, with about a 86% gap from the closest alternative.
Sofirn SK31 stands out as the longest runtime option for max runtime, with about a 614% 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$52.99Most expensive
US$41Cheapest
Weight
223.3 g (7.88 oz)Lightest
262 g (9.24 oz)Heaviest
Length
156.1 mm (6.15 in)Longest
152 mm (5.98 in)Shortest
Output
Max lumens
6800 lmHighest output
2200 lmLowest output
Max candela
Unknown
270000 cd
Beam distance
395 m (1296 ft)Lowest
1039 m (3409 ft)Highest
Max runtime
30000 minLongest runtime
4200 minShortest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
21700 Li-ion
Charging type
USB-C 5V 3A, approx. 3 hours charging time
USB-C on-board charging
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
Unknown
Material
Aluminum alloy body, stainless steel bezel with tungsten spheres
Aluminum body with aluminum bezel
Use case profile
Best for
Tactical UseOutdoor UseSearch And RescueLaw EnforcementEDCHome DefensePatrol Duty
Long Range ThrowTactical UseOutdoor Distance Lighting
Common praise
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
Powerful Long Range Throw With A Large Tir OpticGood Value For Its Price PointUSB C On Board Charging With Included 21700 BatterySolid Build Quality For A Budget FlashlightDual Switch Ui With Tactical And General Modes
Common complaints
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
Tail Switch Is Rubbery, Protrudes Too Much, And Prevents Stable TailstandingSide Switch Feels Mushy Compared To Other ModelsSome Pwm Present On Lower ModesBeam Has Visible Rings On Walls But Not Noticeable OutdoorsMode Shortcut Functions May Be Confusing Or Overcomplicated
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