Pentax Optio WG-2 Battery Replacement

If you look on the bottom of the camera you will see a "bump" and in the center of said bump there is a small tab. Simply move the tab and push away from the camera.

Now that the tab is open, look inside to see a label (yellow in picture). Simply line up the signs (+ T - ) with the battery and slide in. To close the lid just push down and slide it the opposite way in step one.