Comparison Console
Acebeam Terminator M1 vs Nitecore TM20K
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam Terminator M1 stands out as the lightest option for weight, with about a 28% gap from the closest alternative. Acebeam Terminator M1 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 471% gap from the closest alternative.
Decision Signals
What stands out
Acebeam Terminator M1 stands out as the cheapest option for retail price, with about a 7% gap from the closest alternative.
Nitecore TM20K stands out as the most expensive option for retail price, with about a 7% gap from the closest alternative.
Acebeam Terminator M1 stands out as the lightest option for weight, with about a 28% gap from the closest alternative.
Nitecore TM20K stands out as the heaviest option for weight, with about a 38% gap from the closest alternative.
Acebeam Terminator M1 stands out as the lowest output option for max lumens, with about a 83% gap from the closest alternative.
Nitecore TM20K stands out as the highest output option for max lumens, with about a 471% gap from the closest alternative.
Acebeam Terminator M1 stands out as the shortest runtime option for max runtime, with about a 79% gap from the closest alternative.
Nitecore TM20K stands out as the longest runtime option for max runtime, with about a 381% 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$279.9Cheapest
US$299.95Most expensive
Weight
305 g (10.76 oz)Lightest
422 g (14.89 oz)Heaviest
Length
104 mm (4.09 in)Shortest
145.5 mm (5.73 in)Longest
Output
Max lumens
3500 lmLowest output
20000 lmHighest output
Max candela
640000 cdHighest candela
22200 cdLowest candela
Beam distance
1600 m (5249 ft)Highest
290 m (951 ft)Lowest
Max runtime
162 minShortest runtime
780 minLongest runtime
Power & durability
Battery type
21700 Li-ion
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
USB-C on-cell
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1 m (3 ft)
1 m (3 ft)
Material
AL6061-T6 aluminum alloy
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
Long-range searchingEDC with both flood and throwSearch and rescueIndustrial applicationsHikingCave exploration
Tactical activitiesSearch and rescueOutdoor activitiesIndustrial useSelf-preservation and active threat mitigation
Common praise
Unique and versatile combination of zoomable LEP and LED lightsExcellent beam quality with high CRI LEDs and precise LEP spotlightCompact size for a dual-head 21700 flashlightGood build quality and durable materialsLong runtime and effective battery charging via USB-C
Extremely high brightness outputSolid and durable CNC machined unibody constructionVersatile dual switch with tactical featuresStable output with advanced thermal regulationGood waterproofing and impact resistance
Common complaints
Cannot run LEP and LED simultaneouslyHeavier and larger than typical pocket EDC flashlightsNo indicator for which light source is active when offTailcap removal required for charging may lead to user inconvenienceLanyard could be longer for neck carryZoom operation may require two hands for some users
Relatively heavy and bulky for everyday carryBurst mode duration is short
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