OPTIMA Batteries High Performance D27M BlueTop Dual Purpose Deep Cycle and Starting Sealed AGM Boat and RV Battery, 800 CCA, Dual Terminal, Maintenance Free, Versitile Mounting

The OPTIMA D27M BlueTop is designed as a dual purpose battery, both starting and deep cycle for people who need a sure-starting, strong cranking, and maintenance free power source for their boat or RV, even in harsh conditions. The unique SpiralCell design provides a strong and clean power source, ensuring the safety of you, your family and the environment. The higher reserve capacity gives you a longer shelf-life to give you the power when you need it, where you need it. This battery is designed to be used with recreational vehicles or boats with large accessory loads. Refer to the user guide for troubleshooting steps. Up to 3x longer life and maintenance-free. Spillproof, mountable in virtually any position. More than 15 times the vibration resistance of standard flooded batteries. Best choice for supporting high electrical demands.