Fujitsu PRIMERGY TX300 S8 Upgrade And Maintenance Manual page 458

Expansion cards and backup units
Figure 351: Removing the BBU from the BBU holder (B)
Ê Fold up the BBU (1) and at a slight angle remove it from the BBU holder (2).
Figure 352: Disconnecting the BBU cable from the BBU
Ê Carefully disconnect the BBU cable from the BBU.
458 Upgrade and Maintenance Manual
TX300 S8 / RX350 S8