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Designed to meet and exceed the performance requirements of the Railroad Industry, Rolls heavy-duty models deliver heavy-duty plate construction, 180+ day liquid reserves and superior cycle life in durable high-temperature retardant & moisture-tight cases. To operate efficiently, locomotives rely on dependable deep cycle batteries for engine starting. Proper charging and maintenance is key to maximizing battery performance including capacity, starting crank Amps and cycle life. Utilizing a simple and easy-to-read LED visual indicator and audible alerts, Rolls integrated Locomotive Smart Battery Monitor for 32-volt models offers maintenance crews supportive information relating to battery health as well as state-of-charge and engine starting ability.