Comparison Console
Sofirn SK31 Tactical vs ThruNite TC20 V3
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
ThruNite TC20 V3 stands out as the lightest option for weight, with about a 11% gap from the closest alternative. Sofirn SK31 Tactical stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative. Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 44% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SK31 Tactical stands out as the cheapest option for retail price, with about a 12% gap from the closest alternative.
ThruNite TC20 V3 stands out as the most expensive option for retail price, with about a 13% gap from the closest alternative.
ThruNite TC20 V3 stands out as the lightest option for weight, with about a 11% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the heaviest option for weight, with about a 13% gap from the closest alternative.
ThruNite TC20 V3 stands out as the lowest output option for max lumens, with about a 31% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 44% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the shortest runtime option for max runtime, with about a 5% gap from the closest alternative.
ThruNite TC20 V3 stands out as the longest runtime option for max runtime, with about a 6% 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$52.99Cheapest
US$59.95Most expensive
Weight
223.3 g (7.88 oz)Heaviest
198 g (6.98 oz)Lightest
Length
156.1 mm (6.15 in)Longest
125 mm (4.92 in)Shortest
Output
Max lumens
6800 lmHighest output
4720 lmLowest output
Max candela
38900 cdHighest candela
16720 cdLowest candela
Beam distance
395 m (1296 ft)Highest
258 m (846 ft)Lowest
Max runtime
30000 minShortest runtime
31680 minLongest runtime
Power & durability
Battery type
21700 Li-ion rechargeable
21700 rechargeable lithium-ion
Charging type
USB-C 5V 3A
USB-C fast charging
Rechargeable
Yes
Yes
IP rating
IPX8
IPX8
Impact resistance
Unknown
1.5 m (5 ft)
Material
6061-T6 aluminum alloy body, stainless steel bezel with black PVD coating
Aircraft-grade aluminum
Use case profile
Best for
Tactical useOutdoor activitiesSearch and rescueLaw enforcementEDCHome defense
Everyday carryCampingHikingDog walkingEmergency use
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
Very bright output with multiple modesUSB-C fast charging convenienceMagnetic tailcap for hands-free useRobust and durable constructionGood beam throw and smooth floodMemory function for last mode
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
Some heat generated at high outputsMinor learning curve with dial lockout switch
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