Nitecore TM20K stands out as the lightest option for weight, with about a 63% gap from the closest alternative. Nitecore TM20K stands out as the cheapest option for retail price, with about a 39% gap from the closest alternative. Nitecore TM20K stands out as the highest output option for max lumens, with about a 208% gap from the closest alternative.
Decision Signals
What stands out
Cheapest
Nitecore TM20K stands out as the cheapest option for retail price, with about a 39% gap from the closest alternative.
Most expensive
Acebeam K75 V2.0 stands out as the most expensive option for retail price, with about a 63% gap from the closest alternative.
Lightest
Nitecore TM20K stands out as the lightest option for weight, with about a 63% gap from the closest alternative.
Heaviest
Acebeam K75 V2.0 stands out as the heaviest option for weight, with about a 170% gap from the closest alternative.
Lowest output
Acebeam K75 V2.0 stands out as the lowest output option for max lumens, with about a 68% gap from the closest alternative.
Highest output
Nitecore TM20K stands out as the highest output option for max lumens, with about a 208% gap from the closest alternative.
Shortest runtime
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 93% gap from the closest alternative.
Longest runtime
Acebeam K75 V2.0 stands out as the longest runtime option for max runtime, with about a 1285% 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.
Built-in 2 x 21700 Li-ion rechargeable batteries, 9600mAh total capacity
Charging type
External charger (batteries must be removed)
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
IP68
IP68
Impact resistance
1.5 m (5 ft)Highest
1 m (3 ft)Lowest
Material
Aluminium Alloy
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
▣Search and rescue▣Long-range outdoor use▣Industrial applications▣Professional-grade illumination
▣Tactical activities▣Search and rescue▣Outdoor activities▣Industrial use▣Self-preservation and active threat mitigation
Common praise
✓Extreme throw distance✓High maximum output✓Professional build quality✓Multiple runtime modes✓Intelligent temperature control
✓Extremely high brightness output✓Solid and durable CNC machined unibody construction✓Versatile dual switch with tactical features✓Stable output with advanced thermal regulation✓Good waterproofing and impact resistance
Common complaints
⚠Heavy weight making long handheld use tiring⚠Requires external charging of batteries⚠Large size not suited for pocket carry
⚠Relatively heavy and bulky for everyday carry⚠Burst mode duration is short