OPTIMA BLUE TOP D31M

The Optima D31M is a marine dual-purpose AGM battery suitable for starting and deep-cycle applications in vehicles like boats, 4WDs, and RVs.

• The description claims up to 15x higher vibration resistance than traditional batteries.
• The description claims up to 3 times longer life compared to standard flooded batteries.
• The description claims the battery is virtually spill-proof and can be mounted in any position.
• The description claims faster recharging due to efficient AGM design.
• The description claims maintenance-free operation with no need to add water.
• The description claims SPIRALCELL TECHNOLOGY with 99.99% pure lead delivers more power and outperforms conventional flat-plate batteries.