400Wh/kg 6S 22.2V 40000mAh Semi-Solid Li-Ion Battery for UAV
<p>The 2026 New KNS Solid State Lithium Battery Pack delivers cutting-edge performance for UAV and drone applications. With an ultra-high energy density of 400Wh/kg, this 6S (22.2V) 40,000mAh li-ion battery offers extended flight time and reliable power for professional unmanned aerial systems.</p><p>Designed for heavy-lift multirotor drones, hexacopters, octocopters, and long-endurance missions, this next-generatio…
About this product
Product information from the supplier.




Model | KNS-400-40AH6S |
Voltage | 22.2V |
Capacity | 40000mAh |
Continuous Discharge | 2C |
Max.Discharge | 10C |
Charge | 0.5C |
Energy | 888Wh |
Energy density | 400Wh/kg |
217*89*68 | 213*90*65mm |
Weight | 2500g |
Plug | XT90S |
Charge Working Condition Temperature | 0℃~45℃ |
Discharge Working Condition Temperature | -10℃~55℃ |
Cycle life | 500 cycles |

The KNS solid-state drone battery delivers 400Wh/kg energy density and 40,000mAh capacity at 22.2V (6S). Unlike conventional lithium-ion batteries, it uses a non-flammable solid electrolyte for enhanced safety and thermal stability. It supports 3C continuous and 10C max discharge, ensuring reliable, high-power output for demanding drone missions.

Engineered for professional drones, this battery excels in long-endurance surveying, mapping, and inspection flights. It provides stable power for heavy-lift drones, agricultural sprayers, and aerial logistics. The solid-state design reduces fire risk and extends cycle life, making it ideal for remote operations in Indonesia’s mapping projects, search & rescue, and continuous monitoring tasks.


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, high performance 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.


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