Comparison Console
Sofirn SC31B vs Sofirn SP40
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC31B stands out as the lightest option for weight, with about a 37% gap from the closest alternative. Sofirn SP40 stands out as the cheapest option for retail price, with about a 8% gap from the closest alternative. Sofirn SP40 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 SP40 stands out as the cheapest option for retail price, with about a 8% gap from the closest alternative.
Sofirn SC31B stands out as the most expensive option for retail price, with about a 8% gap from the closest alternative.
Sofirn SC31B stands out as the lightest option for weight, with about a 37% gap from the closest alternative.
Sofirn SP40 stands out as the heaviest option for weight, with about a 58% gap from the closest alternative.
Sofirn SC31B stands out as the lowest output option for max lumens, with about a 17% gap from the closest alternative.
Sofirn SP40 stands out as the highest output option for max lumens, with about a 20% gap from the closest alternative.
Sofirn SC31B stands out as the shortest runtime option for max runtime, with about a 64% gap from the closest alternative.
Sofirn SP40 stands out as the longest runtime option for max runtime, with about a 175% 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$38.95Most expensive
US$36Cheapest
Weight
59 g (2.08 oz)Lightest
93 g (3.28 oz)Heaviest
Length
117.5 mm (4.63 in)Longest
108 mm (4.25 in)Shortest
Output
Max lumens
1000 lmLowest output
1200 lmHighest output
Max candela
10750 cdHighest candela
4520 cdLowest candela
Beam distance
207 m (679 ft)Highest
136 m (446 ft)Lowest
Max runtime
4800 minShortest runtime
13200 minLongest runtime
Power & durability
Battery type
18650 rechargeable lithium-ion
1x18650 Li-Ion
Charging type
Micro USB
Micro-USB
Rechargeable
Yes
Yes
IP rating
Unknown
IPX7
Impact resistance
Unknown
Unknown
Material
6061 Aluminum Alloy
Aluminum
Use case profile
Best for
Everyday carry (EDC)Home useOutdoor activities such as camping, hiking, caving, dog walking, fishing
CampingHikingIndustrial useClose-range workBudget headlamp use
Common praise
Good value budget lightUSB charging includedStrong pocket clipSimple and easy user interfaceSolid build quality with anodised finish and gold plated springs
High lumen output for priceGood beam quality with Cree XP-L LED and OP reflectorLightweight and comfortable headbandDurable aluminum construction with good waterproofingMagnetic tailcap for hands-free useLow voltage protection to safeguard battery
Common complaints
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
Lack of a moonlight modeHeadband loops are somewhat tightClip could be deeper to improve balanceNo USB-C charging (uses micro-USB)
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