Out of the box, the Sony Tablet P does not have the battery installed. You will need to insert the battery before you can use the tablet. Follow these steps to insert or remove the battery.
- With the tablet closed, press the bottom cover Release Buttons, and once the latch holding the bottom cover pops loose, lift off the bottom shell.
- Orient the contacts and insert the battery into the tablet.
- Slide the bottom cover into the proper position and apply slight force toward rear of tablet until the cover clicks into place.
You will now be able to turn on and begin using the tablet.
IMPORTANT: Reverse the steps above to remove the battery.