Comparison Console
Sofirn SC13B vs Wurkkos TS21
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SC13B stands out as the lightest option for weight, with about a 49% gap from the closest alternative. Sofirn SC13B stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative. Wurkkos TS21 stands out as the highest output option for max lumens, with about a 169% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SC13B stands out as the cheapest option for retail price, with about a 6% gap from the closest alternative.
Wurkkos TS21 stands out as the most expensive option for retail price, with about a 6% gap from the closest alternative.
Sofirn SC13B stands out as the lightest option for weight, with about a 49% gap from the closest alternative.
Wurkkos TS21 stands out as the heaviest option for weight, with about a 95% gap from the closest alternative.
Sofirn SC13B stands out as the lowest output option for max lumens, with about a 63% gap from the closest alternative.
Wurkkos TS21 stands out as the highest output option for max lumens, with about a 169% gap from the closest alternative.
Wurkkos TS21 stands out as the shortest runtime option for max runtime, with about a 94% gap from the closest alternative.
Sofirn SC13B stands out as the longest runtime option for max runtime, with about a 1445% 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$32.99Cheapest
US$35Most expensive
Weight
40 g (1.41 oz)Lightest
78 g (2.75 oz)Heaviest
Length
64.6 mm (2.54 in)Shortest
113.4 mm (4.46 in)Longest
Output
Max lumens
1300 lmLowest output
3500 lmHighest output
Max candela
9520.5 cdLowest candela
11900 cdHighest candela
Beam distance
217 m (712 ft)
217 m (712 ft)
Max runtime
10200 minLongest runtime
660 minShortest runtime
Power & durability
Battery type
1×18350 1100mAh
21700
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
1 m (3 ft)
Unknown
Material
AL6061-T6 aluminum alloy
Aluminum (6061 grade aerospace grade aluminum alloy, hard-anodized Type III)
Use case profile
Best for
Everyday carryCompact keychain flashlightEmergency useOutdoor activitiesCamping and hikingPortable hands-free lighting
Everyday carryHikingCampingEmergencyClose-to-mid range illuminationUsers who want advanced UI customization
Common praise
Compact and lightweight designHigh brightness relative to sizeBuilt-in USB-C charging works well and charges in about 1.5 hoursIncluded 18350 battery and accessories provide good valueLockout mode prevents accidental activationMagnetic tail cap for hands-free attachmentGood user interface with mode memory and indicator switch
High output brightness for sizeExcellent build quality for priceAdvanced Anduril firmware providing many modes and customizationConvenient USB-C charging with included batteryMagnetic tailcap and bi-directional pocket clip for versatile carry
Common complaints
Low CRI and cold white tint around 6000-6500KOutput does not fully reach claimed 1300 lumens, more like 1000 lumens sustainedBeam has ring artifacts due to fresnel lensShort turbo runtime with quick stepdownSide switch with button terminal instead of spring on battery endNot ideal for long runtime heavy use beyond a few hours
Output stepdown can be quick and noticeableUser interface may be complex for beginnersBody anodization shininess may not appeal to allIncluded manual may be sparse or missing
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