Description This is a genuine IBM / Lenovo Controller Battery or Capacitor Module, designed to provide backup power to the RAID controller's cache (typically the Flash Backed Write Cache - FBWC) in the event of a power failure. This module is critical for ensuring data is not lost before it can be written to the hard drives.

Part Number (P/N): 01EJ623

Function: Battery/Capacitor module for RAID Controller Cache.

Compatibility: Designed for use with specific IBM/Lenovo System x, ThinkServer, or similar RAID controllers (e.g., ServeRAID series, depending on the model).

Key Technical Details Type: [State the type: e.g., Lithium-Ion Battery or Super Capacitor Module (Typically, modern units use super capacitors, but check the component if possible)].

Purpose: Provides temporary power to the FBWC/Cache on the RAID adapter.

Voltage/Capacity: [If easily readable, list the voltage/Wh, e.g., 3.7V].

Controller Usage: Used with high-end controllers that feature Flash Backed Write Cache (FBWC).

Condition & Sale Details: AS IS Condition: Used – This module was removed from a working server environment and placed into stock as a backup component.

Testing: It was functional upon removal, but due to the nature of batteries/capacitors, it is being sold AS IS. We cannot guarantee the exact lifespan or charge capacity of a used battery/capacitor.