Comparison Console
Acebeam D30 vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Fenix TK21R stands out as the lightest option for weight, with about a 57% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 31% gap from the closest alternative. Acebeam D30 stands out as the highest output option for max lumens, with about a 56% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the cheapest option for retail price, with about a 31% gap from the closest alternative.
Acebeam D30 stands out as the most expensive option for retail price, with about a 46% gap from the closest alternative.
Fenix TK21R stands out as the lightest option for weight, with about a 57% gap from the closest alternative.
Acebeam D30 stands out as the heaviest option for weight, with about a 134% gap from the closest alternative.
Fenix TK21R stands out as the lowest output option for max lumens, with about a 36% gap from the closest alternative.
Acebeam D30 stands out as the highest output option for max lumens, with about a 56% gap from the closest alternative.
Acebeam D30 stands out as the shortest runtime option for max runtime, with about a 93% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 1350% 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$189.9Most expensive
US$130.43Cheapest
Weight
517 g (18.24 oz)Heaviest
221.4 g (7.81 oz)Lightest
Length
267.9 mm (10.55 in)Longest
153.3 mm (6.04 in)Shortest
Output
Max lumens
5600 lmHighest output
3600 lmLowest output
Max candela
528529 cd
Unknown
Beam distance
1454 m (4770 ft)Highest
480 m (1575 ft)Lowest
Max runtime
300 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
2 x 21700 rechargeable USB-C batteries
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
Unknown
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
AL6061-T6 aerospace-grade aluminum alloy with hard anodization
Aluminum alloy A6061-T6
Use case profile
Best for
Professional deep-sea divingUnderwater marine explorationNavigating murky waters
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
High brightness with focused beam for underwater useLong maximum runtime with battery swap capabilityDurable, corrosion-resistant design suitable for saltwaterIntuitive side switch allows easy one-handed operationWaterproof with triple o-rings and 1.5m impact resistance
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Mostly specialized for diving; less suited as general EDC flashlight
Larger size compared to some EDC flashlightsNo detailed mode descriptions available