1. Turn your Acer 525tx laptop over.
2. Find the laptop battery release button lock for your Acer 525tx laptop.
3. Now that your Acer 525tx 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 Acer 525tx battery is removed, grab your replacement Acer 525tx battery for installation.
6. Insert the battery into the slot. Push the Acer 525tx battery towards the laptop and secure it in place.