Lenovo Safety and General Information Guide - Manual (Page 42)

Appendix C. Environmental, WEEE, and recycling statements
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Disposing of a Lenovo computer components
Some Lenovo computer products sold in Japan may have components that
contain heavy metals or other environmental sensitive substances. To
properly dispose of disused components, such as a printed circuit board or
drive, use the methods described above for collecting and recycling a
disused computer or monitor.
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Disposing of disused lithium batteries from Lenovo computers
A button-shaped lithium battery is installed on the system board of your
Lenovo computer to provide power to the computer clock while the
computer is off or disconnected from the main power source. If you want to
replace it with a new one, contact your place of purchase or ask for a repair
service provided by Lenovo. If you have replaced it by yourself and want to
dispose of the disused lithium battery, insulate it with vinyl tape, contact
your place of purchase, and follow their instructions. If you use a Lenovo
computer at home and need to dispose of a lithium battery, you must
comply with local ordinances and regulations.
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Disposing a disused battery pack from Lenovo notebook
computers
Your Lenovo notebook computer has a lithium ion battery pack or a nickel
metal hydride battery pack. If you are a company employee who uses a
Lenovo notebook computer and need to dispose of a battery pack, contact
the proper person in Lenovo sales, service, or marketing, and follow that
person’s instructions. You also can refer to the instructions at
http://www.lenovo.com/jp/ja/environment/recycle/battery/.
If you use a Lenovo notebook computer at home and need to dispose of a
battery pack, you must comply with local ordinances and regulations. You
also can refer to the instructions at
http://www.lenovo.com/jp/ja/environment/recycle/battery/.