The Mitsubishi FX2NC-32BL is a high-performance lithium backup battery designed specifically for the MELSEC-F series of PLCs, including the FX2NC series controllers. This essential accessory ensures reliable memory retention and system integrity, with a battery life expectancy of up to 5 years at an ambient temperature of 25°C. Ideal for industrial automation applications, this battery is crucial for maintaining the operational continuity of your Mitsubishi PLC systems. Note: Ground shipment only due to air transport regulations.