Lenovo ThinkPad T450s, User Manual, Page: 158 / 185

• Do not short-circuit the battery, or expose it to water or other liquids.
• Keep the battery away from children
• Keep the battery away from fire.
Stop using the battery if it is damaged, or if you notice any discharge or the buildup of foreign
materials on the battery leads.
If the coin-cell battery is incorrectly replaced, there is danger of an explosion. The battery contains
a small amount of harmful substance.
Do not heat to more than 100°C (212°F).
Do not put the battery in trash that is disposed of in landfills. When disposing of the battery, comply
with local ordinances or regulations.
To replace the coin-cell battery, do the following:
1. Disable the built-in battery. See “Disabling the built-in battery” on page 123.
2. Close the computer display, and turn the computer over.
3. Remove the removable battery. See “Replacing the removable battery” on page 125.
4. Remove the base cover assembly. See “Replacing the base cover assembly” on page 127.
5. Detach the connector 1 , and then remove the coin-cell battery 2 .
6. Install the new coin-cell battery 1 and attach the connector 2 .
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User Guide