Lenovo ThinkPad X120e - Manual (Page 9)

Lithium coin cell battery notice
DANGER
Danger of explosion if battery is incorrectly replaced.
When replacing the lithium coin cell battery, use only the same or an
equivalent type that is recommended by the manufacturer. The battery
contains lithium and can explode if not properly used, handled, or disposed
of.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F )
• Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
The following statement applies to users in the state of California, U.S.A.
California Perchlorate Information:
Products containing CR (manganese dioxide) lithium coin cell batteries
may contain perchlorate.
Perchlorate Material - special handling may apply. See
http://www.dtsc.ca.gov/hazardouswaste/perchlorate.
Service and Troubleshooting Guide
vii