Comparison Console
Sofirn SK31 Tactical vs Wuben A21
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Wuben A21 stands out as the lightest option for weight, with about a 3% gap from the closest alternative. Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 62% gap from the closest alternative. Sofirn SK31 Tactical stands out as the longest runtime option for max runtime, with about a 16567% gap from the closest alternative.
Decision Signals
What stands out
Wuben A21 stands out as the lightest option for weight, with about a 3% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the heaviest option for weight, with about a 3% gap from the closest alternative.
Wuben A21 stands out as the lowest output option for max lumens, with about a 38% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 62% gap from the closest alternative.
Wuben A21 stands out as the shortest runtime option for max runtime, with about a 99% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the longest runtime option for max runtime, with about a 16567% gap from the closest alternative.
Wuben A21 stands out as the shortest option for length, with about a 14% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the longest option for length, with about a 16% 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$52.99
Unknown
Weight
223.3 g (7.88 oz)Heaviest
217 g (7.65 oz)Lightest
Length
156.1 mm (6.15 in)Longest
135 mm (5.31 in)Shortest
Output
Max lumens
6800 lmHighest output
4200 lmLowest output
Max candela
38900 cdHighest candela
12854 cdLowest candela
Beam distance
395 m (1296 ft)Highest
222 m (728 ft)Lowest
Max runtime
30000 minLongest runtime
180 minShortest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
1x 21700 lithium-ion
Charging type
USB-C 5V 3A
USB-C (up to 2A)
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
Unknown
Material
6061-T6 aluminum alloy body, stainless steel bezel with black PVD coating
Aluminum body, stainless steel bezel
Use case profile
Best for
Tactical UseOutdoor ActivitiesSearch And RescueLaw EnforcementEDCHome Defense
EDC UseHigh Output Flood LightingDurability
Common praise
High Maximum Brightness Of 6800 LumensLong Beam Distance Of 395 MetersRobust Build With Aluminum Body And Stainless Steel BezelEffective USB C Charging With Protective Screwable CoverMultiple Intuitive Switches Including LockoutGood Battery Runtime Up To 500 Hours On LowExcellent Mode Selection Including Tactical, Outdoor, And StrobeMinimal Green Tint LED EmitterIncluded Holster And Accessories
High Quality Build And MaterialsImpressive Output Close To Rated 4200 LumensHigh Beam Intensity And Wide Flood BeamDurable Stainless Steel BezelConvenient USB C Charging With Included BatteryGood Mode Memory And Lock Out Features
Common complaints
Included Battery Has Lower Continuous Discharge Rating Than Optimal For Max LumensLockout Button Placement Considered Awkward By Some UsersLockout Switch Occasionally Causes Operation Issues Requiring ToggleDoes Not Tail Stand Due To Button Protrusion
Tailcap Difficult To UnscrewParasitic Drain Causing Slow Battery DischargeSound Of Metal Parts During High Heat RuntimeLong Battery Does Not Fit Most Chargers
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