Comparison Console
Sofirn SD15 vs Wurkkos FC11 LH351D
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wurkkos FC11 LH351D stands out as the lightest option for weight, with about a 7% gap from the closest alternative. Wurkkos FC11 LH351D stands out as the cheapest option for retail price, with about a 19% gap from the closest alternative. Sofirn SD15 stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Decision Signals
What stands out
Wurkkos FC11 LH351D stands out as the cheapest option for retail price, with about a 19% gap from the closest alternative.
Sofirn SD15 stands out as the most expensive option for retail price, with about a 23% gap from the closest alternative.
Wurkkos FC11 LH351D 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 FC11 LH351D stands out as the lowest output option for max lumens, with about a 57% gap from the closest alternative.
Sofirn SD15 stands out as the highest output option for max lumens, with about a 131% gap from the closest alternative.
Sofirn SD15 stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Wurkkos FC11 LH351D stands out as the longest runtime option for max runtime, with about a 16737% 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$30Cheapest
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
1300 lmLowest output
Max candela
36225 cdHighest candela
5200 cdLowest candela
Beam distance
381 m (1250 ft)Highest
144 m (472 ft)Lowest
Max runtime
98 minShortest runtime
16500 minLongest runtime
Power & durability
Battery type
21700 lithium-ion
1x18650 Li-ion
Charging type
External charger (single bay, micro-USB powered)
USB-C DC 5V 1A
Rechargeable
Yes
Yes
IP rating
IPX8
IPX-7
Impact resistance
Unknown
1 m (3 ft)
Material
Anodized aluminum
6061 aluminium alloy, hard anodized type III
Use case profile
Best for
Diving useUnderwater explorationGeneral flashlight use
Everyday carryGeneral purpose useOutdoor activities like camping, hiking, fishing, huntingUsers wanting high CRI LED and USB-C charging
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 CRI 5000K Samsung LH351D LED provides quality lightUSB-C charging with included cableStrong magnetic tailcapErgonomic design with good grip and button usabilityGood value for priceIncluded battery and accessoriesLong maximum runtimeRamping and stepped UI modes provide user choice
Common complaints
Lack of grip texture on body and tailcapNo onboard chargingNo pouch, magnet, or pocket clip included
Non-regulated driver leading to turbo stepdownNo shortcut to low mode in default UIUSB-C charging implementation requires USB-A to USB-C cable only (no USB-C to USB-C)Pocket clip is friction fit and not deep carryMinor battery rattle with protection choice
Dataset Expansion
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