FUJITSU -BT-1ST BATTERY (4 CELLS) 3490MAH 50WH

Fujitsu FUJ:CP778923-XX is a four-cell laptop battery for compatible Fujitsu LifeBook notebooks. It is designed as a replacement battery for supported models, with the exact part number identifying this variant.

The battery uses Li-Polymer technology and is rated at 3490 mAh / 50 Wh. Its output voltage is 14.4 V. The four-cell construction and stated capacity describe the battery’s available energy for powering the notebook when it is away from a mains connection.

The listing names LifeBook T937, U747, U757, E548, E458, E448, U748, E558 and U758 as suitable models. These model references provide a specific compatibility guide for the FUJ:CP778923-XX battery.