Established in Fengxian District, Shanghai in October 2004, Pytes is a leading Li-ion battery solution provider. we offer customizing batteries to customer, especially on application such as consumer electronic packs, Electric two-wheelers, energy storage, service robots. Pytes have four factories around the world, our sales, engineers and production personnel work closely with customers to design, build and manage high performance batteries from understanding your demand, making prototypes, testing and certifications to mass production.