1010 Battery Pack - ThinkPad T420 Hardware Maintenance Manual

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1010 Battery pack

Important notice for replacing a battery pack:
The Lenovo ThinkVantage Toolbox and Lenovo Solution Center (in Windows 7) have an automatic battery
diagnostic component 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 ThinkVantage Toolbox is not installed in the computer, the customer should download this program
before a non-physically damaged battery pack is replaced. Note that the replacement of a physically
damaged battery pack is not covered by the warranty.
Removal steps of battery pack
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Unlock the battery latch
the direction shown by arrow
When installing: Install the battery pack in the slot. Make sure that the battery latch is in the locked position.
Downloaded from LpManual.com Manuals
1
. Holding the battery latch in the unlocked position
3
.
1
2
, remove the battery pack in
2
3
.
Chapter 8
Removing and replacing a FRU
67

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