Comparison Console
Sofirn LT1S Pro 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 13% gap from the closest alternative. Sofirn SK31 stands out as the cheapest option for retail price, with about a 34% gap from the closest alternative. Sofirn SK31 stands out as the highest output option for max lumens, with about a 1260% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SK31 stands out as the cheapest option for retail price, with about a 34% gap from the closest alternative.
Sofirn LT1S Pro stands out as the most expensive option for retail price, with about a 51% gap from the closest alternative.
Sofirn SK31 stands out as the lightest option for weight, with about a 13% gap from the closest alternative.
Sofirn LT1S Pro stands out as the heaviest option for weight, with about a 15% gap from the closest alternative.
Sofirn LT1S Pro stands out as the lowest output option for max lumens, with about a 93% gap from the closest alternative.
Sofirn SK31 stands out as the highest output option for max lumens, with about a 1260% gap from the closest alternative.
Sofirn LT1S Pro stands out as the shortest option for length, with about a 38% gap from the closest alternative.
Sofirn SK31 stands out as the longest option for length, with about a 61% 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$79.99Most expensive
US$52.99Cheapest
Weight
257 g (9.07 oz)Heaviest
223.3 g (7.88 oz)Lightest
Length
97 mm (3.82 in)Shortest
156.1 mm (6.15 in)Longest
Output
Max lumens
500 lmLowest output
6800 lmHighest output
Max candela
81 cd
Unknown
Beam distance
18 m (59 ft)Lowest
395 m (1296 ft)Highest
Max runtime
30000 min
30000 min
Power & durability
Battery type
21700 lithium-ion
21700 Li-ion rechargeable
Charging type
USB Type-C
USB-C 5V 3A, approx. 3 hours charging time
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
Unknown
Material
6061 aircraft-grade aluminum with type 3 hard anodized coating
Aluminum alloy body, stainless steel bezel with tungsten spheres
Use case profile
Best for
CampingBackyard lightingEmergency power outagesHikingEveryday tasksNight vision preservation
Tactical useOutdoor useSearch and rescueLaw enforcementEDCHome defensePatrol duty
Common praise
Pleasant tint range from 2700K to 5000K without greenness or violetVersatile Anduril 2 user interface with advanced customizationGood build quality with strong metal hangerExcellent powerbank output via USB-CLong runtime with 5000mAh 21700 included
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
Complex user interface requiring initial user configurationVisible and audible PWM at low and medium brightness levelsNearly invisible low moonlight brightness with default settingsManual is incomplete and partly incorrectTurbo mode steps down quickly due to thermal and battery safety
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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