The BLUETOP offers more running time and more recharges. It’s perfect for boats with trolling motors, extensive electronic systems, or RVs! OPTIMA BLUETOP high-performance AGM battery has exceptional running time and more recharges. It’s the perfect marine battery for boats with trolling motors, extensive electronic systems, and works well as an RV battery for RVs with creature comforts that tend to drain batteries quickly. On top of providing outstanding vibration resistance, the BLUETOP’s efficient power delivery and faster recharge time. This battery is ideal for those who need a sure-starting, strong-cranking, maintenance-free power source.