Toshiba Satellite Pro 4300 User Manual page 83

Slide the battery latch to the right, then pull the battery cover slightly
5.
forward and lift it out.
Lay the battery cover upside down. Push the latches to the outside and
6.
lift out the battery pack.
For environmental reasons, do not throw away a spent battery pack.
Please return spent battery packs to your Toshiba dealer.
User's Manual
Releasing the battery cover
Removing the battery pack
Power and Power-Up Modes 6-9