Comparison Console
Acebeam Terminator M2 vs Fenix TK21R
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam Terminator M2 stands out as the lightest option for weight, with about a 9% gap from the closest alternative. Fenix TK21R stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Fenix TK21R stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Decision Signals
What stands out
Fenix TK21R stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Acebeam Terminator M2 stands out as the most expensive option for retail price, with about a 7% gap from the closest alternative.
Acebeam Terminator M2 stands out as the lightest option for weight, with about a 9% gap from the closest alternative.
Fenix TK21R stands out as the heaviest option for weight, with about a 10% gap from the closest alternative.
Acebeam Terminator M2 stands out as the lowest output option for max lumens, with about a 11% gap from the closest alternative.
Fenix TK21R stands out as the highest output option for max lumens, with about a 13% gap from the closest alternative.
Acebeam Terminator M2 stands out as the shortest runtime option for max runtime, with about a 48% gap from the closest alternative.
Fenix TK21R stands out as the longest runtime option for max runtime, with about a 91% 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$139.9Most expensive
US$130.43Cheapest
Weight
201.1 g (7.09 oz)Lightest
221.4 g (7.81 oz)Heaviest
Length
95.4 mm (3.76 in)Shortest
153.3 mm (6.04 in)Longest
Output
Max lumens
3200 lmLowest output
3600 lmHighest output
Max candela
62500 cd
Unknown
Beam distance
500 m (1640 ft)Highest
480 m (1575 ft)Lowest
Max runtime
2280 minShortest runtime
4350 minLongest runtime
Power & durability
Battery type
1x 18650 Li-ion battery with built-in USB-C charging
21700 lithium-ion
Charging type
Battery built-in USB-C port (battery included)
USB Type-C
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)
1.5 m (5 ft)
Material
High-quality aluminum alloy AL6061-T6 with HAIII hard-anodized anti-abrasive and corrosion-resistant finish
Aluminum alloy A6061-T6
Use case profile
Best for
EDC UseOutdoor ActivitiesTactical UseEmergency LightingMulti Distance Lighting
Tactical UsePatrollingSearch And RescueTraffic InspectionSelf Defense
Common praise
Versatile Dual Beam Design Combining Flood And SpotlightReliable And Solid Build Quality With Good Machining And FinishConvenient USB C Rechargeable Battery IncludedGood Runtime And Thermal ManagementIntuitive Dual Switch InterfaceRgb Auxiliary Lighting For Signaling And Night Vision Preservation
Very Bright With Strong BeamSolid Build QualityIp68 Waterproof RatingLong RuntimeFast USB C ChargingComfortable Size For Tactical UseImproved Tactile Switch Feel
Common complaints
Tailcap Must Be Removed To Charge The Battery, Which Some Users Find InconvenientHeavier And Larger Than Ultra Compact FlashlightsPocket Clip Can Be Stiff And Not Deep CarrySome Users Dislike Extensive Laser Etching
Larger Size Compared To Some EDC FlashlightsNo Detailed Mode Descriptions Available
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