Sony VAIO VGN-P - Manual (Page 20)

20 n N
Getting Started >
Using the Battery Pack
3 Fit the battery pack into the battery compartment.
The battery pack should be level with the bottom of the computer.
4 Slide the battery pack toward the front of the computer until it clicks into place.
5 Slide the battery LOCK switch outward to secure the battery pack on the computer.