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Jul 26, 2025 - 07:34 PM
The Deka Marine Master series of deep-cycle batteries is proudly manufactured in the USA by East Penn Manufacturing. Founded in 1946, East Penn operates state-of-the-art facilities in Pennsylvania and Iowa, where it continues to set the industry standard for quality and reliability. Through advanced technology, rigorous testing, and a commitment to durability, East Penn has established the Deka Marine Master line as a benchmark for performance in deep-cycle power.
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