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Replacement Procedures
NOTE: Dispose of the used battery pack in accordance with the laws and ordinances of
your local authority.
Installing the battery pack
The following describes the procedure of installing the battery pack (Figure 4-2).
CAUTION: The lithium ion battery pack may explode if not fitted, operated, handled, or
disposed correctly. Dispose the used battery pack in accordance with the
laws and ordinances of your local authority. Use only the batteries approved
by Toshiba.
NOTE: Check visually the battery terminals and clean off any dirt with a dry cloth.
1. Turn off the power of the computer.
2. Disconnect the AC adapter and all external devices from the computer.
3. Insert the battery pack
4. Ensure the battery release lock (1) is moved into its locked position
Lock1
Figure 4- Install battery pack
Satellite U400/Satellite Pro U400/PORTEGE M800 Maintenance Manual 4-9