Mitsubishi Q8BAT-SET Backup Battery Set for MELSEC-Q Series

The Mitsubishi Q8BAT-SET (Q8BAT-SET) is a specialized backup battery set designed for use with Mitsubishi MELSEC-Q series programmable logic controller systems. As part of the MELSEC-Q automation platform, this component serves to maintain critical system data, parameters, programs, and clock operations stored in volatile memory during system power outages or during routine machine shutdown intervals. By providing dependable secondary power preservation, the unit prevents data corruption and eliminates unexpected program loss in automated manufacturing, motion control, and industrial processing installations. Constructed for easy maintenance and direct replacement within compatible MELSEC-Q controller racks, the unit ensures uninterrupted operational readiness across diverse industrial environments. With an identified package weight of 10 kg, this assembly supports maintenance personnel and automation technicians during scheduled service, system retrofits, and scheduled equipment overhauls. It integrates seamlessly into established Mitsubishi automation architectures, supporting continuous operations in automotive assembly lines, packaging machinery, material handling equipment, and factory production systems where reliable retention of control software and active production parameters is paramount.