Comparison Console
Fenix PD36R V2.0 vs Sofirn SK31 Tactical
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix PD36R V2.0 stands out as the lightest option for weight, with about a 25% gap from the closest alternative. Sofirn SK31 Tactical stands out as the cheapest option for retail price, with about a 47% gap from the closest alternative. Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 300% 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 47% gap from the closest alternative.
Fenix PD36R V2.0 stands out as the most expensive option for retail price, with about a 89% gap from the closest alternative.
Fenix PD36R V2.0 stands out as the lightest option for weight, with about a 25% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the heaviest option for weight, with about a 34% gap from the closest alternative.
Fenix PD36R V2.0 stands out as the lowest output option for max lumens, with about a 75% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the highest output option for max lumens, with about a 300% gap from the closest alternative.
Fenix PD36R V2.0 stands out as the shortest runtime option for max runtime, with about a 4% gap from the closest alternative.
Sofirn SK31 Tactical stands out as the longest runtime option for max runtime, with about a 4% 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$99.95Most expensive
US$52.99Cheapest
Weight
167 g (5.89 oz)Lightest
223.3 g (7.88 oz)Heaviest
Length
140.7 mm (5.54 in)Shortest
156.1 mm (6.15 in)Longest
Output
Max lumens
1700 lmLowest output
6800 lmHighest output
Max candela
Unknown
38900 cd
Beam distance
396 m (1299 ft)Highest
395 m (1296 ft)Lowest
Max runtime
28920 minShortest runtime
30000 minLongest runtime
Power & durability
Battery type
21700 li-ion rechargeable
21700 Li-ion rechargeable
Charging type
USB-C (up to 18W fast charging)
USB-C 5V 3A
Rechargeable
Yes
Yes
IP rating
IP68
IPX8
Impact resistance
Unknown
Unknown
Material
A6061-T6 aluminum
6061-T6 aluminum alloy body, stainless steel bezel with black PVD coating
Use case profile
Best for
EDCBackpack carryLong runtimeOutdoor use
Tactical useOutdoor activitiesSearch and rescueLaw enforcementEDCHome defense
Common praise
High brightness outputLong runtimeFast chargingGood build quality and durabilityMultiple lighting modes including eco and strobeWaterproof and dustproof (IP68)
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
Common complaints
No significant complaints noted in sources
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
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