Tianchang Zhiyun Electronic Technology Co., Ltd.

Tianchang Zhiyun Electronic Technology Co., Ltd., operating under the prominent brand E-FAST, is a professional manufacturer and source supplier specializing in advanced battery charging and power solutions. Based in Tianchang, China, the company has over 10 years of industry experience in the design and production of intelligent pulse repair battery chargers, car jump starters, power inverters, and outdoor power supplies. Their extensive product portfolio covers applications for automotive, motorcycle, electric bike, and marine use, supporting various battery chemistries including Lead-Acid (SLA, AGM, GEL, VRLA), Lithium-ion, and LiFePO4. As a vertically integrated manufacturer with its own factory, the company provides comprehensive OEM and ODM services, including customized software chip functions and hardware design. They maintain a robust quality management system certified to ISO...