Comparison Console
Sofirn SD11 Diving Light vs Sofirn SP36 BLF
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SD11 Diving Light stands out as the lightest option for weight, with about a 24% gap from the closest alternative. Sofirn SP36 BLF stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative. Sofirn SP36 BLF stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SP36 BLF stands out as the cheapest option for retail price, with about a 10% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the most expensive option for retail price, with about a 11% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the lightest option for weight, with about a 24% gap from the closest alternative.
Sofirn SP36 BLF stands out as the heaviest option for weight, with about a 31% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the lowest output option for max lumens, with about a 12% gap from the closest alternative.
Sofirn SP36 BLF stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Sofirn SP36 BLF stands out as the longest runtime option for max runtime, with about a 9718% 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$59.99Most expensive
US$53.99Cheapest
Weight
331 g (11.68 oz)Lightest
433.3 g (15.28 oz)Heaviest
Length
155.3 mm (6.11 in)Longest
126.8 mm (4.99 in)Shortest
Output
Max lumens
5000 lmLowest output
5650 lmHighest output
Max candela
14800 cdLowest candela
31577 cdHighest candela
Beam distance
244 m (801 ft)Lowest
355.4 m (1166 ft)Highest
Max runtime
660 minShortest runtime
64800 minLongest runtime
Power & durability
Battery type
1 x 26800 rechargeable lithium ion battery (7500mAh)
3x 18650 button top
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IPX8 (100 meters waterproof)
IPX-8 (submersible to 2 meters)
Impact resistance
1.5 m (5 ft)
Unknown
Material
AL6061-T6 aluminum alloy
Aluminum
Use case profile
Best for
Scuba divingUnderwater photographyFishingCave explorationWater work
EDCEmergency lightingLong runtimeHigh outputOutdoor useCampingSearchingMilitary use
Common praise
Very bright 5000 lumens with long 244 meter beam distanceOutstanding color rendering with CRI 90 warm light and neutral white optionDurable aluminum construction with IPX8 100m waterproof ratingConvenient USB-C recharge and included high-capacity batterySimple yet effective dual-switch interface with battery level indication
Very high output (up to 5650 lumens)Excellent runtime especially on low modesAdvanced and customizable Anduril 2 UIUSB-C charging with powerbank capabilitySolid build quality with good grip and durable materialsNeutral white LED with high CRI (90)Multiple modes including unlock and lockoutWell suited for large hands and outdoor use
Common complaints
Relatively heavy at 331 grams with batteryLarge size compared to typical EDC flashlightsNo detailed official specs for the included proprietary battery
Quite large and heavy for pocket carryRound body prone to rolling on uneven surfacesHeats up quickly on high/turbo modesNot ideal for users with small handsButton top batteries required (flat tops unstable)
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