In this article, we will explore the world of battery packs, including how engineers evaluate and design custom solutions, the step-by-step manufacturing process, critical quality control and safety measures, and the intricacies of shipping these batteries. . Discover the next generation of battery manufacturing at our cutting-edge facility, where advanced automated assembly lines deliver unparalleled precision and efficiency, proudly revitalizing American jobs through reshoring innovation. We help OEMs transition from overseas production to domestic. . iM3NY is an independent lithium-ion cell manufacturer that is commercializing cell chemistry developed in the USA. With a supply chain that is primarily North American based, iM3NY is truly built in America, for the World. Here are the top-ranked battery pack companies as of January, 2026: 1.