1. Turn your Sony VGN-AR130G laptop over.
2. Find the laptop battery release button lock for your Sony VGN-AR130G laptop.
3. Now that your Sony VGN-AR130G laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your Sony VGN-AR130G battery is removed, grab your replacement Sony VGN-AR130G battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-AR130G battery towards the laptop and secure it in place.