The ER3V 3.6V lithium battery with black connector is specifically designed for memory backup in CNC machines, PLCs, and other industrial electronics. This compact, high-energy battery delivers stable voltage and long shelf life, ensuring your equipment retains critical data during power loss. The attached black connector allows for easy plug-and-play replacement, minimizing system downtime. Widely used in FANUC systems and similar industrial applications, the ER3V is trusted for reliability and performance. At Aviraj Industrial Services, we provide high-quality ER3V batteries and professional replacement services, ensuring your systems remain operational and secure without unexpected data loss or interruption.