1. Turn your Sony VPC-EA2FFX laptop over.
2. Find the laptop battery release button lock for your Sony VPC-EA2FFX laptop.
3. Now that your Sony VPC-EA2FFX 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 VPC-EA2FFX battery is removed, grab your replacement Sony VPC-EA2FFX battery for installation.
6. Insert the battery into the slot. Push the Sony VPC-EA2FFX battery towards the laptop and secure it in place.