Bosch Premium Lithium Dual Purpose and Deep Cycle Batteries for marine and RV applications are designed using Lithium Iron Phosphate (also known as LiFePO4) – a rechargeable battery technology offering a safer, longer-lasting, lightweight alternative to conventional lead-acid batteries. Whether you’re planning a camping trip or your next aquatic adventure, looking to maximize space and minimize weight, trying to improve fuel economy or power multiple onboard electronics and/or accessories – Bosch Premium Lithium Dual Purpose and Deep Cycle Batteries are the perfect choice for your next marine or road getaway.