Comparison Console
Sofirn SD15 vs Wurkkos FC12C
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SD15 stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Sofirn SD15 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative. Sofirn SD15 stands out as the highest output option for max lumens, with about a 88% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SD15 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative.
Wurkkos FC12C stands out as the most expensive option for retail price, with about a 3% gap from the closest alternative.
Sofirn SD15 stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
Wurkkos FC12C stands out as the heaviest option for weight, with about a 9% gap from the closest alternative.
Wurkkos FC12C stands out as the lowest output option for max lumens, with about a 47% gap from the closest alternative.
Sofirn SD15 stands out as the highest output option for max lumens, with about a 88% gap from the closest alternative.
Sofirn SD15 stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Wurkkos FC12C stands out as the longest runtime option for max runtime, with about a 24243% 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$36.99Cheapest
US$37.99Most expensive
Weight
120 g (4.23 oz)Lightest
131 g (4.62 oz)Heaviest
Length
119 mm (4.69 in)Shortest
136 mm (5.35 in)Longest
Output
Max lumens
3000 lmHighest output
1600 lmLowest output
Max candela
36225 cdHighest candela
27575 cdLowest candela
Beam distance
381 m (1250 ft)Highest
332 m (1089 ft)Lowest
Max runtime
98 minShortest runtime
23856 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
1x 18650 lithium-ion
Charging type
External charger (single bay, micro-USB powered)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8
IP68
Impact resistance
Unknown
1 m (3 ft)
Material
Anodized aluminum
Aerospace-grade 6061 aluminum alloy, hard-anodized finish
Use case profile
Best for
Diving useUnderwater explorationGeneral flashlight use
EDCTactical useEmergency respondersSearch and rescueOutdoor activitiesLaw enforcementNight patrol
Common praise
High output with good measured lumensSolid build quality with smooth anodizationEffective rotary dial interface with clear mode detentsIncludes wrist lanyard for retentionExternal charging with included 21700 charger and cable
High output with long throw and tight hotspotExcellent value for priceStable output with constant current circuitDual mode UI catering to tactical and daily useWaterproof and impact resistant buildConvenient USB-C charging with included battery and cable
Common complaints
Lack of grip texture on body and tailcapNo onboard chargingNo pouch, magnet, or pocket clip included
Gets hot quickly on turbo mode with thermal regulation to reduce outputLimited knurling on tailcap affecting gripOriginal FC12 discontinued, replaced by FC12C
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