Mac Engineering & Equipment

MAC Engineering & Equipment, founded in 1965 in Benton Harbor, Michigan, is a global leader in machinery for lead-acid battery production. Its innovative equipment boosts efficiency and safety in battery assembly.

Company Location

Country:

United States

City:

Benton Harbor, Michigan

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Company Overview

MAC Engineering & Equipment is a global manufacturer specializing in high-quality machinery for lead-acid battery production. Founded in 1965 and headquartered in Benton Harbor, Michigan, the privately held company has installed over 5,000 machines across 80+ countries. MAC designs and supplies equipment for critical processes including pasting, curing, stacking, cast-on strap connections, assembly, acid filling, leak testing, and heat sealing, serving automotive, motorcycle, industrial, and heavy-duty battery manufacturers while prioritizing efficiency, quality, safety, and sustainability.

Battery Technology

MAC provides machinery for flat plate and tubular plate lead-acid batteries. Its product portfolio spans pasting machines, flash dry ovens, curing chambers for electrode prep; high-speed stackers and plate handling systems; Cast-on Strap systems (in-line, rotary, compression, manual, automated); plus automated assembly, acid filling, leak testing, heat sealing, and custom robotic integration to enhance throughput and safety.

Products

Pasting machines; flash dry ovens; curing chambers; high-speed stackers; plate handling equipment; Cast-on Strap (COS) systems in-line, rotary, compression, manual and automated; assembly lines; acid filling stations; leak testing units; heat sealing machines; custom and robotic automation solutions.

Recent Projects

In 2025, launched the DynaMAC COS rotary Cast-on Strap system producing over 1,000 automotive-size batteries per shift, featuring automated element turnover, alignment, brushing, fluxing, fast changeover with easy-change holders, and gravity lead leveling for consistent strap formation and reduced resistance.

Investors

Initially funded by Prestolite Corporation (now Stryten). Founders Charles McAlpine and Ken McGowan later bought out other investors. The company remains privately held by its founders and internal stakeholders.

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