Comparison Console
Sofirn SP36 BLF vs Wurkkos DL40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SP36 BLF stands out as the lightest option for weight, with about a 22% gap from the closest alternative. Sofirn SP36 BLF stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative. Sofirn SP36 BLF stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SP36 BLF stands out as the cheapest option for retail price, with about a 25% gap from the closest alternative.
Wurkkos DL40 stands out as the most expensive option for retail price, with about a 33% gap from the closest alternative.
Sofirn SP36 BLF stands out as the lightest option for weight, with about a 22% gap from the closest alternative.
Wurkkos DL40 stands out as the heaviest option for weight, with about a 28% gap from the closest alternative.
Wurkkos DL40 stands out as the lowest output option for max lumens, with about a 12% gap from the closest alternative.
Sofirn SP36 BLF stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Wurkkos DL40 stands out as the shortest runtime option for max runtime, with about a 97% gap from the closest alternative.
Sofirn SP36 BLF stands out as the longest runtime option for max runtime, with about a 3757% 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$53.99Cheapest
US$72Most expensive
Weight
433.3 g (15.28 oz)Lightest
556 g (19.61 oz)Heaviest
Length
126.8 mm (4.99 in)Shortest
201.1 mm (7.92 in)Longest
Output
Max lumens
5650 lmHighest output
5000 lmLowest output
Max candela
31577 cd
Unknown
Beam distance
355.4 m (1166 ft)Lowest
400 m (1312 ft)Highest
Max runtime
64800 minLongest runtime
1680 minShortest runtime
Power & durability
Battery type
3x 18650 button top
2x 26650 (compatible with 18650) Li-Ion rechargeable batteries
Charging type
USB Type-C
Included dual-slot USB charger with Micro USB cable
Rechargeable
Yes
Yes
IP rating
IPX-8 (submersible to 2 meters)
IPX8 (up to 100m depth)
Impact resistance
Unknown
Unknown
Material
Aluminum
Aerospace grade 6061 aluminum alloy, hard-anodized type III finish, toughened mineral glass lens
Use case profile
Best for
EDCEmergency lightingLong runtimeHigh outputOutdoor useCampingSearchingMilitary use
DivingUnderwater useCave divingScuba divingEDC in wet environments
Common praise
Very high output (up to 5650 lumens)Excellent runtime especially on low modesAdvanced and customizable Anduril 2 UIUSB-C charging with powerbank capabilitySolid build quality with good grip and durable materialsNeutral white LED with high CRI (90)Multiple modes including unlock and lockoutWell suited for large hands and outdoor use
Very bright at 5000 lumens with good color rendering (CRI 90)Solid build quality with aerospace aluminum and toughened glassGood thermal regulation and long runtime with large capacity batteriesWaterproof up to 100 meters (IPX8)Memorizes last brightness mode used
Common complaints
Quite large and heavy for pocket carryRound body prone to rolling on uneven surfacesHeats up quickly on high/turbo modesNot ideal for users with small handsButton top batteries required (flat tops unstable)
Wobbly/mushy side switch with long travel, less tactile feedbackNo lockout safety except tailcap partial unscrewSwitch mode spacing could be improved, low mode is relatively bright for night visionGreenish tint in LEDs compared to other neutral white flashlightsNo knurling on body, may affect grip
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