12V 5Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery | 2000-5000 Life Cycles & 10-Year Lifetime | Built-in BMS

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.
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. Also supports expansion up to 4 batteries sequenced in either series at 48V 5Ah, or in parallel at 12V 20Ah.
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 2000 cycles at 80% DOD, providing high-performance longevity with a maximum of 5000 cycles at 50% DOD.
Complete Protection: The lithium batterys 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).