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Prerequisites for the procedure
DANGER
If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery
pack contains a small amount of harmful substances. To avoid possible injury:
• Replace only with a battery of the type recommended by Lenovo.
• Keep the battery pack away from re.
• Do not expose it to excessive heat.
• Do not expose it to water or rain.
• Do not short-circuit it.
• Do not drop, crush, puncture, or subject to strong forces. Battery abuse or mishandling can
cause the battery to overheat, which can cause gasses or ame to “vent” from the battery
pack or coin cell.
To replace the battery, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to ve minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Unlock the battery latch 1 . Hold the battery lock lever in the unlocked position 2 , and then remove the
battery pack 2 .
2
1
2
4. Insert a fully charged battery until it clicks into place.
5. Slide the manual battery latch to the locked position to secure the battery in place.
6. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing the backup battery
Before you start, print these instructions.
Note: Your computer might look different from the illustrations in this topic.
34 User Guide