Toshiba Portege R300 Maintenance Manual page 241

4.2 Battery pack
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 for
replacements.
NOTE: Check the battery's terminals visually. If they are dirty, wipe them clean with a
dry cloth.
1. Turn off the power of the computer.
2. Disconnect the AC adapter and all other external devices to the computer.
3. Turn the computer face down.
4. Push the battery pack into the battery slot. Make sure the battery pack is installed
securely.
5. Slide the battery lock into the lock position.
PORTÉGÉ R300 Maintenance Manual (960-591)
4 Replacement Procedures
[CONFIDENTIAL] 4-9