Toshiba PORTEGE M300 Maintenance Manual page 237

4 Replacement Procedures
Installing the battery pack
To install the battery pack, follow the steps below and refer to figure 4-1.
CAUTION: The battery pack is a lithium ion battery, which can explode if not properly
replaced, used, handled or disposed of. For environmental reasons, collect
the spent battery packs. Use only batteries recommended by Toshiba as
replacements.
NOTE: Check the battery's terminals visually. If they are dirty, wipe them clean with a
dry cloth.
1. Turn off the computer.
2. Disconnect the AC cable and other external devices from the computer.
3. Push the battery pack into the battery slot. Make sure the battery pack is installed
securely.
PORTEGE M300 Maintenance Manual (960-504)
4.2 Battery pack
4-9