Chapter 5. Upgrading And Replacing Devices; Replacing The Battery - Lenovo ThinkPad T400 Service And Troubleshooting Manual

Chapter 5. Upgrading and replacing devices

Replacing the battery

Important:
Read Safety and Warranty Guide before replacing the battery.
To replace the battery, do the following:
1. Turn off the computer, or enter hibernation mode. Then disconnect the
2. Close the computer display, and turn the computer over.
3. Unlock the battery latch by sliding it to the left 1 . Then, remove the
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AC adapter and all cables from the computer.
battery 2 .
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