Comparison Console
Sofirn SC31T vs Wurkkos WK03 SST40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos WK03 SST40 stands out as the lightest option for weight, with about a 18% gap from the closest alternative. Wurkkos WK03 SST40 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative. Sofirn SC31T stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos WK03 SST40 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative.
Sofirn SC31T stands out as the most expensive option for retail price, with about a 107% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the lightest option for weight, with about a 18% gap from the closest alternative.
Sofirn SC31T stands out as the heaviest option for weight, with about a 22% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the lowest output option for max lumens, with about a 10% gap from the closest alternative.
Sofirn SC31T stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Sofirn SC31T stands out as the shortest runtime option for max runtime, with about a 67% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the longest runtime option for max runtime, with about a 207% 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$31Most expensive
US$14.99Cheapest
Weight
67 g (2.36 oz)Heaviest
55 g (1.94 oz)Lightest
Length
125.5 mm (4.94 in)Longest
101.5 mm (4.00 in)Shortest
Output
Max lumens
2000 lmHighest output
1800 lmLowest output
Max candela
14832 cdLowest candela
15238 cdHighest candela
Beam distance
210 m (689 ft)Lowest
247 m (810 ft)Highest
Max runtime
450 minShortest runtime
1380 minLongest runtime
Power & durability
Battery type
18650 lithium-ion rechargeable
18650 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IP68
Impact resistance
2 m (7 ft)
Unknown
Material
Aluminum
Unknown
Use case profile
Best for
Everyday carry (EDC)Tactical useEmergency preparednessOutdoor activities like camping and hikingUsers wanting USB-C rechargeable flashlight
Everyday carryCampingHiking
Common praise
High output of 2000 lumens and good beam throw (~210m)Dual switch UI with tactical tailclicky and side mode switchUSB-C onboard charging with included 18650 batteryComprehensive accessory kit including holster, diffuser, and lanyardGood build quality and knurling for gripAttractive value for the performance
Affordable price point for a fully featured 18650 EDC flashlightGood build quality with included accessoriesUSB-C charging with integrated charging indicatorBright output with decent beam throw for size
Common complaints
Slightly lower output measured vs manufacturer claim (~1700 lumens)Pocket clip is friction fit and only attaches at one positionPWM is present in most modes though at a fast frequencyBuild quality reflects budget price pointSome users may prefer Anduril UI on other Sofirn models
Low CRI around 70PWM in all modes which may cause flickerAccidental activation possible due to small protruding switchSharp cooling fins can be uncomfortable to holdLimited information on impact resistance
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