200ah lifepo4 battery - The 12V 200Ah LiFePO4 Lithium Deep Cycle Battery is designed for demanding off-grid, marine, and solar applications. It delivers over 6,000 life cycles with 95% round-trip efficiency, making it a high-performance alternative to lead-acid batteries. This model features a smart BMS that protects against overcharging, over-discharging, short circuits, and overheating. Dual heating modes support cold-weather operation, while its sealed design withstands harsh outdoor conditions. For marine or rugged environments, an optional IP67 waterproof upgrade is available for added protection. Certified to UN38.3, IEC62133, UL, and CE standards, this battery ensures safety and compliance across global markets. It retains power during storage with a low self-discharge rate of just 2.5% per month.