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