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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.
DANGER
If the rechargeable battery is incorrectly replaced, there is danger of an explosion. The battery
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 away from fire.
• 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 flame to "vent" from the battery.
To replace the removable battery, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 92.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Unlock the battery latch
arrow
2
.
5. Unlock the battery latch
2
arrow
.
1
on the left. Detach the battery from the base cover on the left as shown by
1
on the right. Detach the battery from the base cover on the right as shown by
.
Chapter 8
Replacing devices
93
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