Specifications

Battery
Description Spare part number
3-cell, 27 WHr, 2.55 Ah Li-ion battery 740722-001
Before removing the battery, 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.
To remove the battery:
CAUTION: Removing a battery that is the sole power source for the computer can cause loss of
information. To prevent loss of information, save your work and shut down the computer through
Windows before removing the battery.
1. Turn the computer upside down on a flat surface.
2. Slide the battery lock latch (1) to release the battery lock.
3. Slide the battery release latch (2) to release the battery.
4. Slide the battery out (3) and remove it from the computer.
Component replacement procedures 27