1. Turn your Acer 1810T laptop over.
2. Find the laptop battery release button lock for your Acer 1810T laptop.
3. Now that your Acer 1810T 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 1810T battery is removed, grab your replacement Acer 1810T battery for installation.
6. Insert the battery into the slot. Push the Acer 1810T battery towards the laptop and secure it in place.