High output with good measured lumens
Flashlight Record
Sofirn
Sofirn SD15
The Sofirn SD15 is a diving-focused handheld flashlight powered by a 21700 lithium-ion battery, providing up to 3000 lumens output and a beam distance of approximately 380 meters. It features an anodized aluminum body, IPX8 waterproof rating, and a rotary dial switch interface with three modes.
Last updated
Weight120 g (4.23 oz)
PriceUS$36.99
Max lumens3000 lm
Battery21700 Lithium-ion
Technical Specs
Specifications
CategoryHandheld Flashlight
Length119 mm (4.69 in)
Head diameter37.5 mm (1.48 in)
Body diameterUnknown
Max lumens3000 lm
Max candela36225 cd
Beam distance381 m (1250 ft)
Max runtime98 min
Battery type21700 Lithium-ion
RechargeableYes
Charging typeExternal Charger (single Bay, Micro-usb Powered)
IP ratingIPX8
Impact resistanceUnknown
MaterialAnodized Aluminum
Switch typeRotary Dial
Output Profile
Modes
LowMediumHigh
Carry Profile
Best for
Diving UseUnderwater ExplorationGeneral Flashlight Use
Field Signals
Common praise
Solid build quality with smooth anodization
Effective rotary dial interface with clear mode detents
Includes wrist lanyard for retention
External charging with included 21700 charger and cable
Watchlist
Common complaints
Lack of grip texture on body and tailcap
No onboard charging
No pouch, magnet, or pocket clip included
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