HP ProBook 5220m Notebook PC - Manual (Page 39)

Computer battery life varies, depending on power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.
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, initiate Hibernation or shut down the computer 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 into the battery bay (1) until it is seated.
The battery release latches (2) automatically lock 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 latches (1) to release the battery.
Using battery power 31