HP ProBook 4430s, Maintenance And Service Manual

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Battery
Description Spare part number
9-cell, 93 WHr, 2.8 Ah Li-ion battery 633809-001
6-cell, 55 WHr, 2.8 Ah Li-ion battery 628668-001
6-cell, 47 WHr, 2.2 Ah Li-ion battery 633805-001
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. Position 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.
3. Pivot the battery (2) upward to remove it from the computer (3) .
Install the battery by inserting it into the battery bay until you hear a click.
46 Chapter 4 Removal and replacement procedures