Durastart Marine batteries are specifically engineered to withstand extreme vibration and stress and perform under the most demanding conditions. Durastart Marine batteries are available in deep cycle, marine starting and dual purpose applications. Each battery uses a punched grid technology with a special thicker plate and twin terminals for superior construction. A low resistant envelope separator with glass mat reinforced container provides the latest in anti-vibration technology. | Exide Durastart Marine Deep Cycle M27-840D