1. Turn your Acer LX.AJ80X.123 laptop over.
2. Find the laptop battery release button lock for your Acer LX.AJ80X.123 laptop.
3. Now that your Acer LX.AJ80X.123 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 LX.AJ80X.123 battery is removed, grab your replacement Acer LX.AJ80X.123 battery for installation.
6. Insert the battery into the slot. Push the Acer LX.AJ80X.123 battery towards the laptop and secure it in place.