HP ProBook 6440b Notebook-PC - Manual (Page 87)

The time shown indicates the approximate running time remaining on the battery if the battery
continues to provide power at the current level. For example, the time remaining will decrease
when a DVD is playing and will increase when a DVD stops playing.
Inserting or removing the battery
CAUTION: Removing a battery that is the sole power source can cause loss of information. To prevent
loss of information, save your work and initiate Hibernation or shut down the computer through Windows
before removing the battery.
To insert the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Insert the battery (1) into the battery bay until it is seated.
The battery release latch (2) automatically locks the battery into place.
To remove the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Slide the battery release latch (1) to release the battery.
Using battery power 77