Lenovo ThinkPad L412 Hardware Maintenance Manual page 62

XP) have an automatic battery diagnostic that determines if the battery pack is defective. A battery pack
FRU should not be replaced unless this diagnostic 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 or Lenovo System 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
pack in the direction shown by arrow
When installing:
Install the battery pack along the slide rails of the slot. Make sure that the battery release lever is in the
locked position.
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Hardware Maintenance Manual
1 . Holding the battery lock lever in the unlocked position
3 .
1
2 , remove the battery
2
3