Comparison Console
Acebeam EC90 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 4% gap from the closest alternative. Acebeam EC90 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative. Acebeam EC90 stands out as the highest output option for max lumens, with about a 19% gap from the closest alternative.
Decision Signals
What stands out
Acebeam EC90 stands out as the cheapest option for retail price, with about a 16% gap from the closest alternative.
Fenix TK21R stands out as the most expensive option for retail price, with about a 19% gap from the closest alternative.
Fenix TK21R stands out as the lightest option for weight, with about a 4% gap from the closest alternative.
Acebeam EC90 stands out as the heaviest option for weight, with about a 4% gap from the closest alternative.
Fenix TK21R stands out as the lowest output option for max lumens, with about a 16% gap from the closest alternative.
Acebeam EC90 stands out as the highest output option for max lumens, with about a 19% gap from the closest alternative.
Fenix TK21R stands out as the shortest runtime option for max runtime, with about a 72% gap from the closest alternative.
Acebeam EC90 stands out as the longest runtime option for max runtime, with about a 259% 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$109.9Cheapest
US$130.43Most expensive
Weight
231 g (8.15 oz)Heaviest
221.4 g (7.81 oz)Lightest
Length
137.5 mm (5.41 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
4300 lmHighest output
3600 lmLowest output
Max candela
82082 cd
Unknown
Beam distance
573 m (1880 ft)Highest
480 m (1575 ft)Lowest
Max runtime
15600 minLongest runtime
4350 minShortest runtime
Power & durability
Battery type
21700 rechargeable lithium-ion
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
Aluminum
Aluminum alloy A6061-T6
Use case profile
Best for
Long range illuminationEDCHands-free use on metal surfacesOutdoor activitiesSearchingEmergency use
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Very high lumen output and impressive beam throwMagnetic tail cap enables convenient hands-free usageUSB-C fast charging with battery level indicatorSolid build quality and durable constructionTwo-way pocket clip for flexible carry optionsNo PWM flicker on output modes
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
Relatively heavy for an EDC flashlight at 231 gramsTurbo mode runtime limited to about 40 seconds before stepping down
Larger size compared to some EDC flashlightsNo detailed mode descriptions available