Comparison Console
Acebeam W20 vs Nitecore TM9K Pro
EDC Flashlights comparison. Compare price, weight, specifications, materials, and real-world use case.
Command Brief
Recommended read
Acebeam W20 stands out as the lightest option for weight, with about a 42% gap from the closest alternative. Acebeam W20 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative. Nitecore TM9K Pro stands out as the highest output option for max lumens, with about a 1550% gap from the closest alternative.
Decision Signals
What stands out
Acebeam W20 stands out as the cheapest option for retail price, with about a 3% gap from the closest alternative.
Nitecore TM9K Pro stands out as the most expensive option for retail price, with about a 3% gap from the closest alternative.
Acebeam W20 stands out as the lightest option for weight, with about a 42% gap from the closest alternative.
Nitecore TM9K Pro stands out as the heaviest option for weight, with about a 74% gap from the closest alternative.
Acebeam W20 stands out as the lowest output option for max lumens, with about a 94% gap from the closest alternative.
Nitecore TM9K Pro stands out as the highest output option for max lumens, with about a 1550% gap from the closest alternative.
Acebeam W20 stands out as the shortest runtime option for max runtime, with about a 98% gap from the closest alternative.
Nitecore TM9K Pro stands out as the longest runtime option for max runtime, with about a 4775% 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$189.9Cheapest
US$195Most expensive
Weight
130.6 g (4.61 oz)Lightest
227 g (8.01 oz)Heaviest
Length
115.1 mm (4.53 in)Shortest
133 mm (5.24 in)Longest
Output
Max lumens
600 lmLowest output
9900 lmHighest output
Max candela
302500 cdHighest candela
65400 cdLowest candela
Beam distance
1100 m (3609 ft)Highest
510 m (1673 ft)Lowest
Max runtime
80 minShortest runtime
3900 minLongest runtime
Power & durability
Battery type
16340 rechargeable Li-ion (compatible with CR123 primary battery)
Built-in 5000mAh 21700 lithium-ion
Charging type
USB-C (on battery)
USB-C fast charging with 18W QC
Rechargeable
Yes
Yes
IP rating
IP68
IP68 (2 meters submersible)
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aerospace-grade AL6061-T6 aluminum with hard-anodized finish
Aero grade aluminum alloy with HA III military grade hard anodized finish
Use case profile
Best for
Tactical useLong-range spottingClose-range illuminationOutdoor adventuresSearch and rescueEveryday carry
Search and rescueLaw enforcementTactical applicationsEDCOutdoor adventures
Common praise
Compact size with excellent long-range performance.Wide-angle spill solves close-range illumination issues common in LEP lights.Durable build with IP68 rating and good drop resistance.Intuitive dual-switch interface for fast operation.Rechargeable battery with USB-C charging on the cell.
Very high brightness with good beam throwReliable build quality with tactical featuresFast USB-C chargingIntuitive dual-stage tail switch interfaceExcellent runtime on low modes
Common complaints
Limited runtime at maximum output (20 seconds before step-down).Battery charging requires removing the cell due to USB-C port on battery itself.Some complexity in controlling modes due to dual-switch design.
Built-in non-replaceable batteryGets warm at highest setting after extended useSome users may find the size and weight bulky for EDC
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