Toshiba PORTEGE M400 Maintenance Manual page 247

4.2 Battery pack
Installing the battery pack
The following describes the procedure for installing the battery pack. (See Figure 4-1.)
CAUTION: There is a danger that the lithium ion battery pack may explode if not fitted,
operated, handled, or disposed correctly. Dispose always the used batteries
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 other external devices from the computer.
3. Insert the connector of the battery pack to the connector of the computer. Press the
battery pack until the battery is locked.
4. Slide the battery into the lock position.
PORTEGE M400 Maintenance Manual (960-541)
4 Replacement Procedures
[CONFIDENTIAL] 4-9