Comparison Console
Fenix TK28R vs Sofirn SD11 Diving Light
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Sofirn SD11 Diving Light stands out as the lightest option for weight, with about a 8% gap from the closest alternative. Fenix TK28R stands out as the highest output option for max lumens, with about a 30% gap from the closest alternative. Fenix TK28R stands out as the longest runtime option for max runtime, with about a 827% gap from the closest alternative.
Decision Signals
What stands out
Sofirn SD11 Diving Light stands out as the lightest option for weight, with about a 8% gap from the closest alternative.
Fenix TK28R stands out as the heaviest option for weight, with about a 8% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the lowest output option for max lumens, with about a 23% gap from the closest alternative.
Fenix TK28R stands out as the highest output option for max lumens, with about a 30% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the shortest runtime option for max runtime, with about a 89% gap from the closest alternative.
Fenix TK28R stands out as the longest runtime option for max runtime, with about a 827% gap from the closest alternative.
Fenix TK28R stands out as the shortest option for length, with about a 5% gap from the closest alternative.
Sofirn SD11 Diving Light stands out as the longest option for length, with about a 5% 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
Unknown
US$59.99
Weight
358.3 g (12.64 oz)Heaviest
331 g (11.68 oz)Lightest
Length
147.83 mm (5.82 in)Shortest
155.3 mm (6.11 in)Longest
Output
Max lumens
6500 lmHighest output
5000 lmLowest output
Max candela
42675 cdHighest candela
14800 cdLowest candela
Beam distance
400 m (1312 ft)Highest
244 m (801 ft)Lowest
Max runtime
6120 minLongest runtime
660 minShortest runtime
Power & durability
Battery type
2x Fenix ARB-L18-4000
1 x 26800 rechargeable lithium ion battery (7500mAh)
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IPX8 (100 meters waterproof)
Impact resistance
1 m (3 ft)Lowest
1.5 m (5 ft)Highest
Material
Aerospace-grade anodized aluminum
AL6061-T6 aluminum alloy
Use case profile
Best for
Law enforcementTactical operationsSearch and Rescue (SAR) missionsOutdoor adventures
Scuba divingUnderwater photographyFishingCave explorationWater work
Common praise
High maximum output and long beam distanceDurable aerospace-grade build and IP68 waterproof ratingIntuitive dual tail and toggle switch interfaceLong runtime up to 102 hours in Eco modeFast USB Type-C charging in about 1.5 hours
Very bright 5000 lumens with long 244 meter beam distanceOutstanding color rendering with CRI 90 warm light and neutral white optionDurable aluminum construction with IPX8 100m waterproof ratingConvenient USB-C recharge and included high-capacity batterySimple yet effective dual-switch interface with battery level indication
Common complaints
Potential downshift in brightness due to overheat protectionLEDs not user-replaceableRequires specific battery types for proper operation
Relatively heavy at 331 grams with batteryLarge size compared to typical EDC flashlightsNo detailed official specs for the included proprietary battery
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