Blue Line Battery is a Wisconsin‑based manufacturer of industrial lithium‑ion battery systems designed for material handling, automated vehicles, and other demanding applications. Founded in 2015, the company develops modular, serviceable, and high‑efficiency battery solutions that replace traditional lead‑acid systems in forklifts and other industrial equipment. Its patented modular design emphasizes safety, reduced downtime, and energy efficiency, offering customizable solutions for diverse industrial needs

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