Comparison Console
Sofirn SC13 vs Wurkkos WK03 SST40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC13 stands out as the lightest option for weight, with about a 27% gap from the closest alternative. Wurkkos WK03 SST40 stands out as the cheapest option for retail price, with about a 19% gap from the closest alternative. Wurkkos WK03 SST40 stands out as the highest output option for max lumens, with about a 38% 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 19% gap from the closest alternative.
Sofirn SC13 stands out as the most expensive option for retail price, with about a 24% gap from the closest alternative.
Sofirn SC13 stands out as the lightest option for weight, with about a 27% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the heaviest option for weight, with about a 38% gap from the closest alternative.
Sofirn SC13 stands out as the lowest output option for max lumens, with about a 28% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the highest output option for max lumens, with about a 38% gap from the closest alternative.
Sofirn SC13 stands out as the shortest runtime option for max runtime, with about a 24% gap from the closest alternative.
Wurkkos WK03 SST40 stands out as the longest runtime option for max runtime, with about a 31% 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$18.6Most expensive
US$14.99Cheapest
Weight
40 g (1.41 oz)Lightest
55 g (1.94 oz)Heaviest
Length
64.6 mm (2.54 in)Shortest
101.5 mm (4.00 in)Longest
Output
Max lumens
1300 lmLowest output
1800 lmHighest output
Max candela
Unknown
15238 cd
Beam distance
150 m (492 ft)Lowest
247 m (810 ft)Highest
Max runtime
1050 minShortest runtime
1380 minLongest runtime
Power & durability
Battery type
18350 lithium ion
18650 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1 m (3 ft)
Unknown
Material
AL6061-T6 aluminum alloy
Unknown
Use case profile
Best for
Daily carryCampingHikingEmergency useDog walkingFishingPocket carryHands-free use with hat clip or magnetic tail
Everyday carryCampingHiking
Common praise
Compact and lightweight designHigh maximum brightness with multiple output levelsDurability with IP68 waterproof rating and 1 meter impact resistanceUSB-C charging convenienceGood color rendering with high CRI LED (Nichia 519A)Versatile modes including strobeMagnetic tail and hat clip for hands-free use
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
Reports of potential battery spring failure leading to device overheating (not confirmed as a common issue)
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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