Comparison Console
Sofirn SC31 Pro vs Wurkkos WK03
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos WK03 stands out as the lightest option for weight, with about a 11% gap from the closest alternative. Wurkkos WK03 stands out as the cheapest option for retail price, with about a 68% gap from the closest alternative. Sofirn SC31 Pro 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 stands out as the cheapest option for retail price, with about a 68% gap from the closest alternative.
Sofirn SC31 Pro stands out as the most expensive option for retail price, with about a 213% gap from the closest alternative.
Wurkkos WK03 stands out as the lightest option for weight, with about a 11% gap from the closest alternative.
Sofirn SC31 Pro stands out as the heaviest option for weight, with about a 13% gap from the closest alternative.
Wurkkos WK03 stands out as the lowest output option for max lumens, with about a 10% gap from the closest alternative.
Sofirn SC31 Pro stands out as the highest output option for max lumens, with about a 11% gap from the closest alternative.
Sofirn SC31 Pro stands out as the shortest runtime option for max runtime, with about a 13% gap from the closest alternative.
Wurkkos WK03 stands out as the longest runtime option for max runtime, with about a 15% 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$46.99Most expensive
US$14.99Cheapest
Weight
62 g (2.19 oz)Heaviest
55 g (1.94 oz)Lightest
Length
117.5 mm (4.63 in)Longest
101.5 mm (4.00 in)Shortest
Output
Max lumens
2000 lmHighest output
1800 lmLowest output
Max candela
14600 cdHighest candela
9450 cdLowest candela
Beam distance
242 m (794 ft)Highest
194 m (636 ft)Lowest
Max runtime
120 minShortest runtime
138 minLongest runtime
Power & durability
Battery type
18650 rechargeable Li-ion
18650 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
Aerospace grade 6061 aluminum alloy with hard-anodized finish
Aluminum alloy
Use case profile
Best for
EDCBudget enthusiastsCampingHome backupOutdoor useGeneral purpose handheld use
EDC useAffordable 18650 flashlightUsers needing USB-C chargingThose desiring a compact, lightweight 18650 flashlight
Common praise
Excellent value for money with advanced Anduril controlsStrong maximum output for the priceRechargeable and uses replaceable 18650 batteryCompact and lightweight designUSB-C charging convenienceMagnetic tail cap for hands-free use
Excellent value for money, offering high output and USB-C charging for under $17Lightweight and compact with good build qualitySimple and intuitive user interface with battery level indicationGood beam profile from TIR opticMultiple modes including direct access to moonlight and turbo
Common complaints
Output steps down from max after initial periodInterface complexity might be challenging for beginners
PWM used on all brightness modesBrightness drops after about one minute at turbo due to direct-drive FET driverMoonlight and turbo modes accessible only via shortcutsLanyard hole prevents clean tailstanding when attachedSharp cooling fins on headLower CRI in original SST-40 version (improved in Nichia 519A "Gold" edition)
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