New energy

350Wh/kg High Energy Density 6S 22.2V 35000mAh semi-solid Li-ion Drone Battery

<p>Built for heavy-lift and long-endurance UAV operations, the KNS 350Wh/kg battery delivers a class-leading energy density of 350Wh/kg in a 6S 22.2V 35000mAh configuration. With a total energy of 777Wh and an approximate weight of just 2.46kg, it offers extended flight times and higher payload margins – without compromising aircraft dynamics.<br/></p>

About this product

Product information from the supplier.

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Product Advantage


Ultra-Long Endurance
777Wh capacity enables 30–50% longer missions than standard packs
Heavy-Lift Capable
More energy for agricultural, logistics, and surveillance drones
Lightweight Design
350Wh/kg keeps airframe efficient
Plug & Play
 Standard 6S architecture, compatible with most industrial UAV power systems
Proven Reliability
Mass production since 2025, trusted by fleet operators


title
Parameter Property



Model

KNS-350-35AH6S

Voltage

22.2V

Capacity

35000mAh

Continuous Discharge

3C

Max.Discharge

5C

Charge

0.5-1C

Energy

777Wh

Energy density

350Wh/kg

217*89*68

205*88*59mm

Weight

2460g

Plug

XT90S

Charge Working Condition Temperature

0℃~45℃

Discharge Working Condition Temperature

-20℃~55℃

Cycle life

500 cycles


title
What is this product?


This is a 350Wh/kg semi-solid drone battery from KNS, with a 6S 22.2V configuration and 35000mAh capacity. It delivers 777Wh of total energy at a lightweight ~2.46kg, offering exceptional endurance for heavy-lift and long-mission UAVs. Already in mass production and field-proven for over a year, it combines ultra-high capacity with real-world reliability – ideal for agricultural, logistics, and inspection drones.



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Application


Designed for heavy-lift and ultra-long-endurance UAV missions requiring maximum energy per flight:

Agricultural Spraying – Cover larger fields per sortie, reduce battery swap frequency

Logistics & Cargo Delivery – Extended range for last-mile and beyond-visual-line-of-sight (BVLOS) operations

Long-Range Mapping & Surveying – Continuous flight over vast areas without mid-mission landings

Pipeline & Power Line Inspection – Reliable power for remote, extended-duration tasks

Search & Rescue – Maximized loiter time for critical, time-sensitive missions

Heavy-Lift Industrial Drones – Carry higher payloads while maintaining operational endurance

Autonomous Robotics & Large-Scale EV Platforms – 6S compatible high-capacity power source

Custom configurations available for other demanding applications.



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Our Team & Facility


Behind every KNS battery is a team of passionate professionals. We employ over 200 dedicated staff members, including:

3 professors with decades of experience in electrochemistry and materials science

20+ research engineers focused on next-generation battery technologies

Our R&D team works closely with our production and quality control departments to ensure that every battery meets the highest standards of performance and reliability.

Our facility spans over 3,000 square meters and is equipped with 5 advanced production lines, capable of producing more than 200 battery units per day. This capacity allows us to meet the demands of large-scale commercial clients while maintaining the flexibility to support specialized applications.