Battery - HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual

Battery

Description
6-cell 55-WH (2.55Ah) LI-ion
6-cell 47-WH (2.2-Ah) LI-ion
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.
2. Slide the battery release latch (1) to release the battery.
3. Pivot the battery (2) upward and lift it out of the computer (3).
To insert the battery, insert the rear edge of the battery into the battery bay and pivot the front edge
downward until the battery is seated. The battery release latch automatically locks the battery into
place.
52 Chapter 4 Removal and replacement procedures
Spare part number
593554-001
593553-001
ENWW