Battery
Description Spare part number
6-cell, Li-ion, 2.55 Ah, 55 Whr 646757-001
3-cell, Li-ion, 2.55 Ah, 28 Whr 646755-001
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.
1. Position the computer upside-down on a flat surface.
2. Slide the battery/service access cover latch (1) to unlock the battery.
3. Pivot the battery (2) upward and lift it out of the computer (3).
Reverse this procedure to install the battery.
Component replacement procedures 37
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