Comparison Console
Sofirn SK31 Tactical vs Sofirn SP36 BLF Anduril
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SK31 Tactical stands out as the lightest option for weight, with about a 26% gap from the closest alternative. Sofirn SK31 Tactical stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative. Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SK31 Tactical stands out as the cheapest option for retail price, with about a 4% gap from the closest alternative.
Sofirn SP36 BLF Anduril stands out as the most expensive option for retail price, with about a 4% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the lightest option for weight, with about a 26% gap from the closest alternative.
Sofirn SP36 BLF Anduril stands out as the heaviest option for weight, with about a 34% gap from the closest alternative.
Sofirn SP36 BLF Anduril stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Sofirn SP36 BLF Anduril stands out as the shortest runtime option for max runtime, with about a 100% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the longest runtime option for max runtime, with about a 22627% 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$52.99Cheapest
US$54.99Most expensive
Weight
223.3 g (7.88 oz)Lightest
300 g (10.58 oz)Heaviest
Length
156.1 mm (6.15 in)Longest
127 mm (5.00 in)Shortest
Output
Max lumens
6800 lmHighest output
5650 lmLowest output
Max candela
38900 cdHighest candela
31577 cdLowest candela
Beam distance
395 m (1296 ft)Highest
355.4 m (1166 ft)Lowest
Max runtime
30000 minLongest runtime
132 minShortest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
3 x 18650 lithium-ion (button top required)
Charging type
USB-C 5V 3A
USB-C (quick charge up to ~2.6A input)
Rechargeable
Yes
Yes
IP rating
IPX8
IPX7
Impact resistance
Unknown
Unknown
Material
6061-T6 aluminum alloy body, stainless steel bezel with black PVD coating
Anodized aluminum
Use case profile
Best for
Tactical UseOutdoor ActivitiesSearch And RescueLaw EnforcementEDCHome Defense
EDCOutdoor UseUsers Wanting High Output With Multiple CellsAnduril Ui EnthusiastsUsers Needing USB C Charging And Powerbank Feature
Common praise
High Maximum Brightness Of 6800 LumensLong Beam Distance Of 395 MetersRobust Build With Aluminum Body And Stainless Steel BezelEffective USB C Charging With Protective Screwable CoverMultiple Intuitive Switches Including LockoutGood Battery Runtime Up To 500 Hours On LowExcellent Mode Selection Including Tactical, Outdoor, And StrobeMinimal Green Tint LED EmitterIncluded Holster And Accessories
High Maximum Output With A Neutral White, High Cri LED For Comfortable Beam QualityCustomizable Anduril 2 Ui With Multiple Modes And Temperature RegulationBuilt In USB C Charging And Powerbank FunctionalityGood Build Quality With Anodized Aluminum Body And Strong Knurling For Grip
Common complaints
Included Battery Has Lower Continuous Discharge Rating Than Optimal For Max LumensLockout Button Placement Considered Awkward By Some UsersLockout Switch Occasionally Causes Operation Issues Requiring ToggleDoes Not Tail Stand Due To Button Protrusion
Relatively Heavy And Large For Pocket Carry; Better Suited For Bag Or HolsterGets Very Hot At Maximum Brightness; Not Comfortable To Hold On Turbo For More Than A Few MinutesNo Included Carry Options Like Pouch Or LanyardThe Flashlight Is Nearly Perfectly Round, Making It Prone To Rolling If Not Stowed Securely
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