Interstate Battery AGM Group

Updated August 24, 2026

Retail value $385. New. Interstate Batteries, Dual-purpose Absorbed Glass Mat Group 31M-AGM-A Brand Interstate Batteries Model 31M-AGM UPC 656489368553 The Interstate Batteries Group 31 AGM Dual-Purpose Battery is designed to deliver dependable starting power and deep-cycle performance for marine, recreational, commercial, and heavy-duty applications. Built with advanced Absorbed Glass Mat (AGM) technology, this maintenance-free battery provides reliable power output while offering enhanced resistance to vibration, spills, and harsh operating conditions. The Group 31 size makes it suitable for a wide range of boats, RVs, off-grid systems, work vehicles, and equipment that require both strong engine starting capabilities and sustained accessory power. Its sealed AGM construction helps improve durability and performance while eliminating the need for regular water maintenance. Combining long-lasting power, dependable cycling capability, and rugged construction, this dual-purpose battery is an excellent choice for users seeking reliable energy storage and starting performance in demanding environments.

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