Thinkpad Ultrabase Series 3 - ThinkPad X230 User Manual

The ThinkPad Battery 19+ also can be charged with a computer attached. In this way, both the main
battery and the ThinkPad Battery 19+ will be charged.

ThinkPad UltraBase Series 3

Your computer supports the ThinkPad UltraBase Series 3, which is a docking solution provided by Lenovo to
expand the working capabilities of your computer.
After you attach your computer to the ThinkPad UltraBase Series 3, you can use its connectors in place of
the connectors on the computer.
When the computer is attached to the ThinkPad UltraBase Series 3, never pick up the assembly by taking
hold of the computer alone. Always hold the whole assembly.
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User Guide