Comparison Console
Sofirn Q8 Plus vs Sofirn SK31
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SK31 stands out as the lightest option for weight, with about a 55% gap from the closest alternative. Sofirn SK31 stands out as the cheapest option for retail price, with about a 49% gap from the closest alternative. Sofirn Q8 Plus stands out as the highest output option for max lumens, with about a 135% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SK31 stands out as the cheapest option for retail price, with about a 49% gap from the closest alternative.
Sofirn Q8 Plus stands out as the most expensive option for retail price, with about a 97% gap from the closest alternative.
Sofirn SK31 stands out as the lightest option for weight, with about a 55% gap from the closest alternative.
Sofirn Q8 Plus stands out as the heaviest option for weight, with about a 120% gap from the closest alternative.
Sofirn SK31 stands out as the lowest output option for max lumens, with about a 57% gap from the closest alternative.
Sofirn Q8 Plus stands out as the highest output option for max lumens, with about a 135% gap from the closest alternative.
Sofirn Q8 Plus stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Sofirn SK31 stands out as the longest runtime option for max runtime, with about a 4900% 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$104.29Most expensive
US$52.99Cheapest
Weight
492 g (17.35 oz)Heaviest
223.3 g (7.88 oz)Lightest
Length
133 mm (5.24 in)Shortest
156.1 mm (6.15 in)Longest
Output
Max lumens
16000 lmHighest output
6800 lmLowest output
Max candela
222916 cd
Unknown
Beam distance
554 m (1818 ft)Highest
395 m (1296 ft)Lowest
Max runtime
600 minShortest runtime
30000 minLongest runtime
Power & durability
Battery type
3 x 21700 Li-ion batteries
21700 Li-ion rechargeable
Charging type
USB-C charging and discharging port
USB-C 5V 3A, approx. 3 hours charging time
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
Unknown
Material
Aerospace-grade aluminum alloy
Aluminum alloy body, stainless steel bezel with tungsten spheres
Use case profile
Best for
HuntingSearchingSurvival kitEmergencyCampingOutdoor activitiesLong runtime use
Tactical useOutdoor useSearch and rescueLaw enforcementEDCHome defensePatrol duty
Common praise
Very bright output with a daylight-like beamLong sustained runtime at 1800 lumensFlexible and advanced user interfaceBuilt-in USB-C charging and discharging portIPX8 water resistance and durable aluminum body
High max output of 6800 lumensLong beam distance (395 meters)Robust aluminum body with stainless steel bezel and tungsten spheres for glass breakingEfficient LHP73B LED emitter with clean tintTriple-switch interface allowing intuitive controlExcellent water resistance with screwable aluminum USB-C coverLong runtime up to 500 hours on low modeIncluded rechargeable 21700 batteryBattery indicator for charge level
Common complaints
Heavy weight for daily carryOutput claims can be misleading without FL1 standardFlat top battery compatibility issues causing contact problemsThermal management limits sustained high output without additional cooling
Lockout switch placement can be awkwardLockout switch sometimes malfunctions causing failure to turn on (resolvable by toggling lockout)Included battery has lower continuous discharge rating (CDR) than recommended for max turbo output
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