This document describes how to remove and install the battery and battery cable on Dell™ PowerEdge™ Expandable RAID Controller x.
The manual covers safety notices, cautions, and detailed procedures for servicing Dell PowerEdge Expandable RAID Controllers (UCP‑50 and UCP‑51). It explains how to remove the transportable battery backup unit (TBBU), disconnect the battery cable, and replace the battery and memory module.
All work must be performed at an electrostatic‑discharge‑safe workstation, following EIA‑625 and IPC‑A‑610 guidelines. The document includes diagrams of the controller, battery, and connector locations, and provides warnings about operating the system without a cover.