Comparison Console
Sofirn SD15 vs Wurkkos FC11C Buck
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos FC11C Buck stands out as the lightest option for weight, with about a 7% gap from the closest alternative. Wurkkos FC11C Buck stands out as the cheapest option for retail price, with about a 38% gap from the closest alternative. Sofirn SD15 stands out as the highest output option for max lumens, with about a 150% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos FC11C Buck stands out as the cheapest option for retail price, with about a 38% gap from the closest alternative.
Sofirn SD15 stands out as the most expensive option for retail price, with about a 61% gap from the closest alternative.
Wurkkos FC11C Buck stands out as the lightest option for weight, with about a 7% gap from the closest alternative.
Sofirn SD15 stands out as the heaviest option for weight, with about a 7% gap from the closest alternative.
Wurkkos FC11C Buck stands out as the lowest output option for max lumens, with about a 60% gap from the closest alternative.
Sofirn SD15 stands out as the highest output option for max lumens, with about a 150% 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 FC11C Buck stands out as the longest runtime option for max runtime, with about a 30512% 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$36.99Most expensive
US$22.99Cheapest
Weight
120 g (4.23 oz)Heaviest
112 g (3.95 oz)Lightest
Length
119 mm (4.69 in)Longest
116 mm (4.57 in)Shortest
Output
Max lumens
3000 lmHighest output
1200 lmLowest output
Max candela
36225 cdHighest candela
6100 cdLowest candela
Beam distance
381 m (1250 ft)Highest
156 m (512 ft)Lowest
Max runtime
98 minShortest runtime
30000 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
1x 18650 rechargeable lithium-ion
Charging type
External charger (single bay, micro-USB powered)
USB-C onboard charging at 5V/2A
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8 (2m depth)
Impact resistance
Unknown
2 m (7 ft)
Material
Anodized aluminum
Aluminum
Use case profile
Best for
Diving useUnderwater explorationGeneral flashlight use
Everyday carryNewcomers and experienced usersGeneral purpose EDCBudget flashlight enthusiasts
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
Excellent value and build quality for priceStable regulated output with good runtimeHigh CRI LED for pleasing color renderingSimple and intuitive UI with ramping and stepped modesMagnetic tailcap enables hands-free useWaterproof to IPX8 standardIncludes 3000mAh 18650 battery and USB-C cable
Common complaints
Lack of grip texture on body and tailcapNo onboard chargingNo pouch, magnet, or pocket clip included
Some external parts (cooling fins and lanyard hole) feel slightly sharpTailcap magnet might attract metal debrisClip is friction fit and not deep carryFlap covering USB-C port can open accidentally
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