KNS 400Wh/kg 21V 41000mAh 6S Drone Battery

Product Advantage

Ultra-High Energy Density

400Wh/kg delivers significantly longer flight time for heavy-lift hexacopters and octocopters.

Semi-Solid State Safety

Enhanced thermal stability and reduced risk of thermal runaway.

Long Cycle Life

Reliable performance over hundreds of charge/discharge cycles.

Parameter Property

Our factory

KNS operates a modern manufacturing facility spanning over 3,000 square meters, equipped with five advanced    production lines and capable of producing more than 5,000 battery units per day. Our team of over 200 dedicated    employees includes three professors and more than 20 research engineers, ensuring that every battery benefits from    deep technical expertise and rigorous quality control. We hold ISO9001:2015 certification, and our production    processes adhere to strict international standards. From raw material inspection to finished product testing, every    step is carefully managed to deliver consistent, highperformance solid state batteries. Our factory is not just a    production site – it is the foundation of our promise to provide reliable, A grade power solutions to drone    professionals worldwide.

Why Choose KNS

Choose KNS for 400Wh/kg semi-solid state batteries that deliver 41Ah of safe, reliable power – extending heavy-lift    drone flight time by up to 40%.