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