Comparison Console
Acebeam UC25 vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam UC25 stands out as the lightest option for weight, with about a 38% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 21% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 16% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the cheapest option for retail price, with about a 21% gap from the closest alternative.
Acebeam UC25 stands out as the most expensive option for retail price, with about a 26% gap from the closest alternative.
Acebeam UC25 stands out as the lightest option for weight, with about a 38% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 61% gap from the closest alternative.
Acebeam UC25 stands out as the lowest output option for max lumens, with about a 14% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 16% gap from the closest alternative.
Acebeam UC25 stands out as the shortest runtime option for max runtime, with about a 5% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, 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
US$164.95Most expensive
US$130.43Cheapest
Weight
137.9 g (4.86 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
142 mm (5.59 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
3100 lmLowest output
3600 lmHighest output
Max candela
7569 cd
Unknown
Beam distance
174 m (571 ft)Lowest
480 m (1575 ft)Highest
Max runtime
4140 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
Built-in 3.7V 3000mAh polymer battery
21700 lithium-ion
Charging type
USB Type-C
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP65
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
AL6061-T6 aerospace-grade aluminum with hard-anodized finish
Aluminum alloy A6061-T6
Use case profile
Best for
Everyday carry (EDC)Tactical useOutdoor activitiesProfessional tasksHands-free operation
Tactical usePatrollingSearch and rescueTraffic inspectionSelf-defense
Common praise
Versatile multi-light sources for various tasksCompact and lightweight for easy everyday carryDurable with IP65 rating and 1.5 meter impact resistanceIntuitive triple switch interfaceUSB-C rechargeable battery with battery level indicatorMagnetic tail cap for hands-free use
Very bright with strong beamSolid build qualityIP68 waterproof ratingLong runtimeFast USB-C chargingComfortable size for tactical useImproved tactile switch feel
Common complaints
No clear complaints found in provided sources
Larger size compared to some EDC flashlightsNo detailed mode descriptions available