Fujitsu LIFEBOOK P728 Operating Manual page 54

Working with the notebook
Installing a battery
1
2
3
2
► Insert the battery in the battery compartment (1).
► Slide the battery lock slider switch in the direction of the arrow (2).
The battery is secured. The battery replacement status indicator (3) goes out.
► Turn the notebook the right way up again and place it on a flat surface.
► Reconnect the cables that were previously disconnected.
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