Certificates & Quality Assurance

Quality Management System: ISO9001, ISO14001, IATF16949

Success comes from strict quality management and unwavering attention to detail. All manufacturing facilities have certification of ISO9001, ISO14001, IATF16949, GJB9001B and ISO45001:2018, guaranteeing a strict quality management system that adds customer value. All ESS batteries are certified by UL, RoHS, CE, and QCT-743-2006.

Professional Team

Our quality assurance team consists of international top-tier electrochemical experts and battery process quality control specialists with over 20 years of experience. We are committed to delivering high-quality battery products and services, aiming to create higher value for our customers.

Full-process Inspection

Our quality inspection process covers every stage of R&D and manufacturing, including raw material checks, production monitoring, lab testing, and final factory inspection. On average, each battery undergoes over 100 testing items to ensure exceptional performance and quality.

Worldwide Testing and Qualifications

Certificates