To install the battery:

1. Position the battery into the socket.
2. Press down until secured in place by the retaining latch.
3. Return the system to its operational position.
4. Install the side cover. Position the cover over the chassis using the tabs on the top and bottom as a guide.
5. Slide the cover forward until its locked in place.
6. Secure with the two screws.
7. Here is a closer look at one of the tabs on the cover and a slot in the chassis.