Battery Lenovo DS4700 FAST T Refurbished 41Y0679 – replacement battery for Lenovo storage array

Refurbished Lenovo DS4700 FAST T battery designed as a replacement power module for Lenovo DS4700 storage arrays. This refurbished unit restores backup power for write cache, enabling safe shutdown and protecting data integrity during power events. The battery supports routine system maintenance, drive replacements, and can extend the operational lifetime of existing DS4700 hardware when original batteries are depleted.

Advantages

The refurbished battery provides an economical way to regain cache protection and predictable shutdown behavior without replacing the entire storage array. It is tested to meet functional criteria, intended to restore battery-backed cache capability and reduce the risk of data loss during unexpected power interruptions. Using a replacement battery can simplify maintenance workflows and allow continued use of compatible DS4700 systems.

Suitable for

• Lenovo DS4700 storage arrays requiring replacement of depleted backup battery
• Data center maintenance and scheduled hardware service operations
• Drive replacement or RAID recovery procedures that require intact cache backup
• Extending the usable life of existing DS4700 systems to delay full hardware replacement

Key specifications

• Function: backup power module for write cache and controlled shutdown support
• Condition: refurbished, tested for functional operation
• Compatibility: intended for use with Lenovo DS4700 storage array models
• Primary benefit: preserves cached data during power loss and supports safe shutdown

How to use

Install the replacement battery into the battery slot designated for the DS4700 FAST T module according to Lenovo service instructions. Ensure the storage array is powered down or placed into maintenance mode as required by the hardware manual before performing the swap. After installation, verify that the array recognizes the battery and that cache protection status is reported as normal in the management interface. Follow any battery initialization or firmware steps described in the DS4700 documentation.

Usage recommendations

Confirm compatibility with your DS4700 system and follow Lenovo safety and service guidelines during installation. Since the unit is refurbished, inspect for physical signs of wear and verify operation in a controlled maintenance window. Maintain regular backups and monitor battery and cache status through the storage management tools to ensure continuous data protection.