Comparison Console
Sofirn HS41 4000LM vs Sofirn SD15
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn HS41 4000LM stands out as the lightest option for weight, with about a 34% gap from the closest alternative. Sofirn HS41 4000LM stands out as the cheapest option for retail price, with about a 32% gap from the closest alternative. Sofirn HS41 4000LM stands out as the highest output option for max lumens, with about a 33% gap from the closest alternative.
Decision Signals
What stands out
Sofirn HS41 4000LM stands out as the cheapest option for retail price, with about a 32% gap from the closest alternative.
Sofirn SD15 stands out as the most expensive option for retail price, with about a 48% gap from the closest alternative.
Sofirn HS41 4000LM stands out as the lightest option for weight, with about a 34% gap from the closest alternative.
Sofirn SD15 stands out as the heaviest option for weight, with about a 52% gap from the closest alternative.
Sofirn SD15 stands out as the lowest output option for max lumens, with about a 25% gap from the closest alternative.
Sofirn HS41 4000LM stands out as the highest output option for max lumens, with about a 33% 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.
Sofirn HS41 4000LM stands out as the longest runtime option for max runtime, with about a 43296% 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$24.99Cheapest
US$36.99Most expensive
Weight
79 g (2.79 oz)Lightest
120 g (4.23 oz)Heaviest
Length
115 mm (4.53 in)Shortest
119 mm (4.69 in)Longest
Output
Max lumens
4000 lmHighest output
3000 lmLowest output
Max candela
26475 cdLowest candela
36225 cdHighest candela
Beam distance
325 m (1066 ft)Lowest
381 m (1250 ft)Highest
Max runtime
42528 minLongest runtime
98 minShortest runtime
Power & durability
Battery type
1x 21700 rechargeable lithium-ion battery
21700 lithium-ion
Charging type
USB-C (5V, 3A)
External charger (single bay, micro-USB powered)
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
A6061-T6 aluminium alloy
Anodized aluminum
Use case profile
Best for
Outdoor activitiesLong hours of workCyclingCampingNight hikesEmergency use
Diving useUnderwater explorationGeneral flashlight use
Common praise
High output brightness and long beam distanceMultiple lighting modes including moonlight and turboLightweight and comfortable to wear with IP68 waterproof ratingMagnetic tail cap and detachable design for handheld useLong battery runtime especially in moonlight mode
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
Common complaints
No explicit complaints reported in sources
Lack of grip texture on body and tailcapNo onboard chargingNo pouch, magnet, or pocket clip included
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