HP 550 - Notebook PC, Maintenance And Service Manual, Page: 47 / 150

Battery
Description Spare part number
6-cell, 47-Wh Li-ion battery 500764-001
Before disassembling the computer, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
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.
3. Remove the battery (2) from the computer.
Insert the battery into the battery bay until it is seated. The battery release latches automatically lock
the battery into place.
Component replacement procedures 39