Comparison Console
Sofirn SK31 Tactical vs Wurkkos TD01 SFT40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SK31 Tactical 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 Tactical 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 Tactical stands out as the most expensive option for retail price, with about a 29% gap from the closest alternative.
Sofirn SK31 Tactical 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 Tactical 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 Tactical 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
38900 cdLowest candela
270000 cdHighest candela
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
USB-C on-board charging
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
Unknown
Material
6061-T6 aluminum alloy body, stainless steel bezel with black PVD coating
Aluminum body with aluminum bezel
Use case profile
Best for
Tactical useOutdoor activitiesSearch and rescueLaw enforcementEDCHome defense
Long-range throwTactical useOutdoor distance lighting
Common praise
High maximum brightness of 6800 lumensLong beam distance of 395 metersRobust build with aluminum body and stainless steel bezelEffective USB-C charging with protective screwable coverMultiple intuitive switches including lockoutGood battery runtime up to 500 hours on lowExcellent mode selection including tactical, outdoor, and strobeMinimal green tint LED emitterIncluded holster and accessories
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
Included battery has lower continuous discharge rating than optimal for max lumensLockout button placement considered awkward by some usersLockout switch occasionally causes operation issues requiring toggleDoes not tail stand due to button protrusion
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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