1090 Battery pack
For access, remove these FRUs in order:
• “1030 Base cover assembly” on page 78
Important notice for replacing a battery pack
Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no
warranties for failures or damage arising out of their use.
The Lenovo Solution Center program provides an automatic battery diagnostic test that determines if the battery pack
is defective. A battery pack FRU should not be replaced unless this diagnostic test shows that the battery is defective.
The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety
issue.
If Lenovo Solution Center is not installed in the computer, the customer should download this program before a non-
physically damaged battery pack is replaced. Note that a physically damaged battery pack is a non-warranty
replacement part.
Removal steps of the battery pack
DANGER
Use only the authorized battery specified for your computer. Any other battery could ignite or
explode.
Chapter 9. Removing or replacing a FRU 83
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