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Disposing of dead batteries
IMPORTANT
Nickel-metal-hydride batteries contain metals that can be
reclaimed and reused. Instead of throwing away dead batteries, please dispose
of them as described here.
In the United States: Return dead batteries to your Apple-authorized service
provider, who will make sure they are included in Apple’s battery recycling
program.
Elsewhere: Many countries have government- or Apple-sponsored collection
and/or recycling programs for dead batteries. Dispose of dead batteries in
accordance with the mandatory or voluntary battery collection schemes in
your country. Contact your Apple-authorized service provider for information
about the recommended battery disposal procedures in your location. If there
is no government- or Apple-sponsored return program, you can dispose of the
batteries with your regular trash, taking care not to break them open or
incinerate them.
Replacing the backup battery
In addition to its main battery, your computer has a small backup battery that
maintains the contents of RAM while you replace the main battery.
The backup battery usually lasts for several years. You may need to have it
replaced if you notice that some of your system settings changed after you
removed or replaced the main battery. (You may notice, for example, that the
clock time is different.) By replacing the backup battery you can preserve the
contents of RAM the next time you change the main battery.
Your computer’s backup battery must be replaced by an Apple-authorized
service provider.
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Chapter 5