We are committed to design and manufacture advanced lithium-ion, sodium-ion battery systems for clients around the world, and delivering an optimal customer experience is at the heart of our business. Creating Long-term Value for Clients is our business philosophy. Rely on our deep understanding of lithium battery and sodium-ion battery, and smart battery management system, we know how to take your product idea from concept to market. 

DEFORD is a pioneer in the field of sodium-ion starter batteries, having consistently invested heavily in the R&D of such products since 2022. Thanks to an outstanding reputation among clients, the NAPILION brand has established itself as a leader in the sodium-ion starter battery sector. "Start. Anytime. Anywhere"— it is not just our slogan for NAPILION sodium-ion starter batteries, but a firm commitment to our clients. 

We believe that sustainable energy should be available to anyone. We are committed to offering clean, reliable and affordable energy to help our clients worldwide to solve today's complex energy and environment challenges.