Comparison Console
Sofirn SC13 vs Sofirn SC31B
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC13 stands out as the lightest option for weight, with about a 32% gap from the closest alternative. Sofirn SC13 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative. Sofirn SC13 stands out as the highest output option for max lumens, with about a 30% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC13 stands out as the cheapest option for retail price, with about a 52% gap from the closest alternative.
Sofirn SC31B stands out as the most expensive option for retail price, with about a 109% gap from the closest alternative.
Sofirn SC13 stands out as the lightest option for weight, with about a 32% gap from the closest alternative.
Sofirn SC31B stands out as the heaviest option for weight, with about a 48% gap from the closest alternative.
Sofirn SC31B stands out as the lowest output option for max lumens, with about a 23% gap from the closest alternative.
Sofirn SC13 stands out as the highest output option for max lumens, with about a 30% gap from the closest alternative.
Sofirn SC13 stands out as the shortest runtime option for max runtime, with about a 78% gap from the closest alternative.
Sofirn SC31B stands out as the longest runtime option for max runtime, with about a 357% 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$18.6Cheapest
US$38.95Most expensive
Weight
40 g (1.41 oz)Lightest
59 g (2.08 oz)Heaviest
Length
64.6 mm (2.54 in)Shortest
117.5 mm (4.63 in)Longest
Output
Max lumens
1300 lmHighest output
1000 lmLowest output
Max candela
Unknown
10750 cd
Beam distance
150 m (492 ft)Lowest
207 m (679 ft)Highest
Max runtime
1050 minShortest runtime
4800 minLongest runtime
Power & durability
Battery type
18350 lithium ion
18650 rechargeable lithium-ion
Charging type
USB Type-C
Micro USB
Rechargeable
Yes
Yes
IP rating
IP68
Unknown
Impact resistance
1 m (3 ft)
Unknown
Material
AL6061-T6 aluminum alloy
6061 Aluminum Alloy
Use case profile
Best for
Daily carryCampingHikingEmergency useDog walkingFishingPocket carryHands-free use with hat clip or magnetic tail
Everyday carry (EDC)Home useOutdoor activities such as camping, hiking, caving, dog walking, fishing
Common praise
Compact and lightweight designHigh maximum brightness with multiple output levelsDurability with IP68 waterproof rating and 1 meter impact resistanceUSB-C charging convenienceGood color rendering with high CRI LED (Nichia 519A)Versatile modes including strobeMagnetic tail and hat clip for hands-free use
Good value budget lightUSB charging includedStrong pocket clipSimple and easy user interfaceSolid build quality with anodised finish and gold plated springs
Common complaints
Reports of potential battery spring failure leading to device overheating (not confirmed as a common issue)
No dedicated ultra-low moonlight modeMode memory can be inconvenient to access lowest modesClip is not reversible and protrudes beyond light lengthMicro USB instead of USB-C chargingNo lanyard included in some packages
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