KNS Solid State Battery Rechargeable Battery 6S 26000mAh Suitable for Multi Rotor Unmanned Aerial Vehicle
<p>The KNS 400Wh/kg solidstate battery series is engineered specifically for multirotor UAVs and other unmanned aerial platforms. With ultrahigh energy density, compact footprint, and lightweight construction, our batteries dramatically extend flight times while reducing overall aircraft weight. Safety is built in through non flammable solid electrolyte technology, and long cycle life ensures lower operating cost…
About this product
Product information from the supplier.




Model | KNS-400-26AH6S |
Voltage | 21V |
Capacity | 26000mAh |
Continuous Discharge | 3C |
Max.Discharge | 5C |
Charge | 0.5-1C |
Energy | 546Wh |
Energy density | 400Wh/kg |
217*89*68 | 195*72*57mm |
Weight | 1550g |
Plug | XT90S |
Charge Working Condition Temperature | 0℃~45℃ |
Discharge Working Condition Temperature | -10℃~55℃ |
Cycle life | 500 cycles |

Solves short flight time, safety risks, and heavy battery weight
Ideal for industrial inspection, agricultural spraying, logistics delivery, and emergency response.
KNS 400Wh/kg solid state batteries directly address the three most common challenges faced by drone operators: limited flight time, safety risks, and excessive battery weight that reduces payload capacity. With our ultra high energy density, multirotor UAVs can stay airborne for significantly longer periods, reducing the need for frequent landings and battery swaps. The non flammable solid electrolyte eliminates the risk of thermal runaway, ensuring safer operations over people and sensitive assets. These batteries are ideal for long endurance industrial inspections, large scale agricultural spraying, timecritical logistics deliveries, and emergency search and rescue missions. Whether you need to cover more ground per flight or carry heavier sensors, KNS batteries deliver the performance and reliability you can count on.


All KNS solidstate batteries are carefully packaged in compliance with international dangerous goods regulations. Each battery is individually protected with antistatic bags and shock absorbing foam, then placed in sturdy export cartons to prevent damage during transit. Our batteries are fully UN38.3,MSDS certified, ensuring safe air, sea, rail, and road transportation worldwide. We work with leading carriers such as DHL, FedEx, and UPS to deliver orders promptly to destinations across Asia, Europe, the Middle East, and North America. For bulk orders, we offer customized packaging solutions and consolidated sea freight options to reduce shipping costs. A complete set of shipping documents, including MSDS, UN38.3 test report, and commercial invoice, is provided with every shipment to facilitate smooth customs clearance.


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 solidstate batteries. Our factory is not just a production site – it is the foundation of our promise to provide reliable, Agrade power solutions to drone professionals worldwide.


Mass production of 400Wh/kg solid state batteries
1,000+ cycles, wide temperature range (-20°C to 60°C)
UN38.3 certified for safe global transport
Customers in 20+ countries, 50% year on year growth
A-grade cells, true capacity, optional BMS, reliable service
