Appendix. Cru (Customer Replaceable Units) Instructions; Replacing The Battery - Lenovo B4400 User Manual

Appendix. CRU (Customer Replaceable Units)
instructions
Notes:
• Make sure the battery has been removed before replacing any devices.
• Write down the WLAN serial number on the attached label before removing the backup
battery and Mini PCI Express Card. The serial number is required by Lenovo to replace
with the proper unit.

Replacing the battery

Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode.
To replace the battery, do the following:
1 Turn off the computer. Disconnect the AC power adapter and all cables
from the computer.
2 Close the computer display, and turn the computer over.
3 Unlock the manual battery latch
in the unlocked position
shown by the arrow
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
b
.
c
a
1
. Hold the spring-loaded battery latch
a
, remove the battery pack in the direction
c
b
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