Comparison Console
Sofirn SC31B vs ThruNite BSS V4
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 40% gap from the closest alternative. Sofirn SC31B stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative. ThruNite BSS V4 stands out as the highest output option for max lumens, with about a 152% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC31B stands out as the cheapest option for retail price, with about a 35% gap from the closest alternative.
ThruNite BSS V4 stands out as the most expensive option for retail price, with about a 54% gap from the closest alternative.
Sofirn SC31B stands out as the lightest option for weight, with about a 40% gap from the closest alternative.
ThruNite BSS V4 stands out as the heaviest option for weight, with about a 66% gap from the closest alternative.
Sofirn SC31B stands out as the lowest output option for max lumens, with about a 60% gap from the closest alternative.
ThruNite BSS V4 stands out as the highest output option for max lumens, with about a 152% gap from the closest alternative.
Sofirn SC31B stands out as the shortest runtime option for max runtime, with about a 46% gap from the closest alternative.
ThruNite BSS V4 stands out as the longest runtime option for max runtime, with about a 84% 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$38.95Cheapest
US$59.95Most expensive
Weight
59 g (2.08 oz)Lightest
98 g (3.46 oz)Heaviest
Length
117.5 mm (4.63 in)Shortest
146.5 mm (5.77 in)Longest
Output
Max lumens
1000 lmLowest output
2523 lmHighest output
Max candela
10750 cdLowest candela
16887 cdHighest candela
Beam distance
207 m (679 ft)Lowest
260 m (853 ft)Highest
Max runtime
4800 minShortest runtime
8850 minLongest runtime
Power & durability
Battery type
18650 rechargeable lithium-ion
1x 18650
Charging type
Micro USB
Micro-USB
Rechargeable
Yes
Yes
IP rating
Unknown
IPX8
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
Tactical useEDCWeapon mountingOutdoor activities
Common praise
Good value budget lightUSB charging includedStrong pocket clipSimple and easy user interfaceSolid build quality with anodised finish and gold plated springs
High maximum output with 2523 lumensCompact size and lightweight for easy carryIncludes a comprehensive accessory kit with battery and mounting optionsIPX8 waterproof ratingSmooth reflector and versatile strike bezelGood thermal management and runtime
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
Uses micro-USB charging rather than the more modern USB-CTailcap design can make battery swaps somewhat inconvenientFriction-fit pocket clip only allows tail-end carryNo mounting option for the remote switch included
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