Backup Battery

Lenovo FRU02K6572 is a backup battery for selected ThinkPad notebooks, intended for replacement or maintenance when this specific part is required. Its OEM reference is 02K6572. The listed compatible models are ThinkPad T20, T21, T22, T23 and T43.

The battery uses zinc-carbon (Zn-C) technology and is yellow. It serves as a backup battery within the notebook, not as the main battery for portable operation. The model list and FRU number help identify the intended component for repair records.

Capacity, voltage, dimensions, connector details and package contents are not specified.