#USA #Munich #Biwatt #Sodium-ion #R5 I3 Batteries

BIWATT Expands Sodium-Ion Energy Storage Portfolio

On June 24, 2026, at the Intersolar Europe event, BIWATT introduced two groundbreaking products: the PowerNest R5, aimed at residential users, and the PowerLake I3, targeted at commercial and industrial applications. This launch marks a significant step in expanding their sodium-ion energy storage offerings, which are being increasingly adopted across various markets.

Unlike traditional battery development methods, BIWATT takes a unique hands-on approach by engaging directly in the cell-level development process. This active involvement is vital since it allows them to establish key performance, safety, and reliability standards right from the start. The company's innovative mindset has led to the creation of a specialized sodium-ion battery platform tailored specifically for energy storage applications.

The new PowerNest R5 is engineered for flexibility and efficiency, featuring modular scalability that allows homeowners to adapt their systems as their energy needs change. Additionally, it includes intelligent battery optimization and active balancing technology to enhance performance and longevity. Meanwhile, the PowerLake I3 caters to commercial markets, providing versatile deployment options suitable for solar-plus-storage setups, backup power systems, and distributed energy projects. The I3 emphasizes intelligent maintenance capabilities, making it an excellent choice for businesses looking for reliable energy solutions.

BIWATT is committed to adhering to high safety standards as they expand their international market reach. The company is currently working on obtaining UL1973 certification and UL9540A testing for its sodium-ion battery products, affirming their dedication to safety and performance excellence.

During the launch, BIWATT's CEO, Owen, highlighted the importance of choosing the right battery chemistry for energy storage solutions. “Energy storage requires more than simply selecting a battery chemistry. Our focus has been to deeply engage in cell-level innovation, creating sodium-ion batteries specifically engineered for storage applications. The introduction of R5 and I3 is a testament to our long-term commitment to this field,” he stated.

As of now, BIWATT’s sodium-ion battery systems are deployed in over 20 countries, primarily within Europe, showcasing the increasing commercial acceptance of this technology. BIWATT’s mission as a digital green power innovator and a leader in sodium-ion technology positions them well within the renewable energy landscape, steering the future of energy storage and sustainability.

This pioneering company is focused on developing a comprehensive sodium-ion ecosystem, which not only includes battery systems but also sodium-ion-optimized inverters, in-house Battery Management Systems (BMS), alongside a cloud platform and intelligent app solutions, ensuring that they meet the diverse needs of residential, mobility, and commercial energy applications.

In summary, BIWATT's recent unveiling of the R5 and I3 batteries signifies substantial advancements in sodium-ion technology, promising reliable, efficient, and safe energy storage solutions for both homes and businesses alike. With a commitment to innovation and safety, BIWATT is poised for future growth within the energy storage sector, reinforcing its role as a leader in sustainable energy solutions.