Sunwoda's Latest Polymer-Composite All Solid State Battery Breaks 400Wh/kg Barrier

Sunwoda recently unveiled its new polymer-composite all-solid-state battery with an energy density breakthrough of 400Wh/kg. This technological advancement empowers us to deliver more advanced and safer battery pack solutions, helping our clients gain a competitive edge in power battery applications.

At the 2025 China New Energy Battery Industry Development Conference, industry leader Sunwoda introduced its innovative polymer-composite all-solid-state battery. This product not only achieves an energy density as high as 400Wh/kg but also demonstrates comprehensive breakthroughs in cycle life, wide-temperature performance, and safety. Leveraging this technological progress, we are able to provide our customers with more competitive battery pack solutions.

The core advantages of this solid-state battery include:

- An energy density of up to 400Wh/kg, providing strong support for the endurance performance of our battery pack products;

- A cycle life of 1,200 cycles under extremely low external pressure (<1MPa), ensuring long-term reliability;

- An operating temperature range from -30°C to 60°C, maintaining over 80% capacity even at -20°C, suitable for various extreme environments;

- Passing rigorous safety tests such as nail penetration and 200°C hot box tests, fundamentally addressing the thermal runaway risks of traditional lithium batteries.

Building on the latest industry innovations, we are committed to integrating cutting-edge battery technology with our clients' practical needs, offering lithium battery pack solutions characterized by high energy density, exceptional safety, and long service life. If you are looking for safe, reliable, and high-performance battery pack products, please feel free to contact us. We look forward to providing you with professional technical support and customized solutions.