Comparison Console
Sofirn SC33 5200LM vs Sofirn SK31
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC33 5200LM stands out as the lightest option for weight, with about a 17% gap from the closest alternative. Sofirn SC33 5200LM stands out as the cheapest option for retail price, with about a 43% gap from the closest alternative. Sofirn SK31 stands out as the highest output option for max lumens, with about a 31% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC33 5200LM stands out as the cheapest option for retail price, with about a 43% gap from the closest alternative.
Sofirn SK31 stands out as the most expensive option for retail price, with about a 77% gap from the closest alternative.
Sofirn SC33 5200LM stands out as the lightest option for weight, with about a 17% gap from the closest alternative.
Sofirn SK31 stands out as the heaviest option for weight, with about a 20% gap from the closest alternative.
Sofirn SC33 5200LM stands out as the lowest output option for max lumens, with about a 24% gap from the closest alternative.
Sofirn SK31 stands out as the highest output option for max lumens, with about a 31% gap from the closest alternative.
Sofirn SC33 5200LM stands out as the shortest runtime option for max runtime, with about a 40% gap from the closest alternative.
Sofirn SK31 stands out as the longest runtime option for max runtime, with about a 67% 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$29.99Cheapest
US$52.99Most expensive
Weight
186 g (6.56 oz)Lightest
223.3 g (7.88 oz)Heaviest
Length
132 mm (5.20 in)Shortest
156.1 mm (6.15 in)Longest
Output
Max lumens
5200 lmLowest output
6800 lmHighest output
Max candela
26750 cd
Unknown
Beam distance
327 m (1073 ft)Lowest
395 m (1296 ft)Highest
Max runtime
18000 minShortest runtime
30000 minLongest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
21700 Li-ion rechargeable
Charging type
USB-C charging port built-in
USB-C 5V 3A, approx. 3 hours charging time
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
Anodized aluminum body with stainless steel bezel
Aluminum alloy body, stainless steel bezel with tungsten spheres
Use case profile
Best for
Everyday carryCampingSearch and rescueOutdoor adventuresEmergency lightingInspection and repairTactical use
Tactical useOutdoor useSearch and rescueLaw enforcementEDCHome defensePatrol duty
Common praise
High maximum output and good sustained brightnessGood build quality for priceConvenient USB-C charging with included cableIntuitive user interface with stepped and smooth rampingFeature to disable auto-lockoutLong maximum runtime at low modesIPX8 water resistance
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
Output lower than claimed peak lumens in independent testsAuto-lockout resets after battery changeCool white tint with low CRI may not suit all usersTailcap glued limiting disassemblyUSB-C port cover small, some cables may not fit well
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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