Nitecore TM20K stands out as the lightest option for weight, with about a 20% gap from the closest alternative. Nitecore TM20K stands out as the cheapest option for retail price, with about a 9% gap from the closest alternative. Acebeam X80-GT stands out as the highest output option for max lumens, with about a 63% 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 9% gap from the closest alternative.
Most expensive
Acebeam X80-GT stands out as the most expensive option for retail price, with about a 10% gap from the closest alternative.
Lightest
Nitecore TM20K stands out as the lightest option for weight, with about a 20% gap from the closest alternative.
Heaviest
Acebeam X80-GT stands out as the heaviest option for weight, with about a 25% gap from the closest alternative.
Lowest output
Nitecore TM20K stands out as the lowest output option for max lumens, with about a 38% gap from the closest alternative.
Highest output
Acebeam X80-GT stands out as the highest output option for max lumens, with about a 63% gap from the closest alternative.
Shortest runtime
Nitecore TM20K stands out as the shortest runtime option for max runtime, with about a 62% gap from the closest alternative.
Longest runtime
Acebeam X80-GT stands out as the longest runtime option for max runtime, with about a 162% 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
Unknown
USB-C with Quick Charge support
Rechargeable
Yes
Yes
IP rating
Waterproof to 30m (not for diving)
IP68
Impact resistance
1.2 m (4 ft)Highest
1 m (3 ft)Lowest
Material
Aircraft grade aluminum body with type III hard anodized finish
Aero grade aluminum alloy with HA III military grade hard-anodized finish
Use case profile
Best for
▣Search & rescue▣Military▣Security▣Hunting▣Outdoor work
▣Tactical activities▣Search and rescue▣Outdoor activities▣Industrial use▣Self-preservation and active threat mitigation
Common praise
✓Extreme brightness for its size✓Solid build quality and finish✓Compact soda can size for high output✓Versatile and easy to use interface
✓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
⚠Runs very hot quickly requiring use of carry handle⚠Not suitable for diving or underwater switching⚠Limited information about charging type
⚠Relatively heavy and bulky for everyday carry⚠Burst mode duration is short