ECI Power 12V 400Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications

ECI Power 12V 400Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS | Perfect for RV, Solar, Marine, Overland, Off-Grid Applications

• ECI Power: A brand for everyone with the goal of providing an open avenue for all to know that safe lithium power should not be cost-prohibitive nor outside the scope of your project.
• User Friendly: Built-in Bluetooth allows easily track the battery level on your phone with the handy app. Monitor the battery State of Charge, temperature, protection warning and all others with just a click of a button on your smartphone. Also supports expansion up to 4 batteries sequenced in either series at 48V 400Ah, or in parallel at 12V 4000Ah.
• Unmatched Technology: The ECI Power LiFePO4 battery is designed to meet the needs of modern energy applications while exceeding performance comparable to even the most expensive batteries on the market.
• Proven Quality: The battery utilizes UL1642 listed LiFePO4 Grade-A cells and is backed by our industry-leading engineering and after-sale teams covering North America and beyond since 1987. Economical: At a phenomenal price point, the battery is rigorously lab-tested and guaranteed to meet a minimum 3500 cycles at 80% DOD, providing high-performance longevity with a maximum of 7000 cycles at 50% DOD.
• Complete Protection: The lithium battery’s unique built-in Battery Management System (BMS) protects it from overcharge, deep discharge, overloading, overheating and short circuit, and excessive low self-discharge rate ensuring up to 1 year maintenance-free storage. Built-in low-temp cut off prevents charging under 23 °F (-5 °C).