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Battery
Description Spare part number
6-cell lithium-polymer (Li-Pol) battery (2.55-Ah, 55-Wh) 579027-001
4-cell prismatic battery (2.55-Ah, 29-Wh) 579026-001
Before removing the battery, follow these steps:
1. Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the device
on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the device.
3. Disconnect the power from the device by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the device.
Remove the battery:
1. Turn the device 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).
Reverse this procedure to install a battery.
32 Chapter 4 Removal and replacement procedures