1. Turn your Acer TM8002LCi laptop over.
2. Find the laptop battery release button lock for your Acer TM8002LCi laptop.
3. Now that your Acer TM8002LCi 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 TM8002LCi battery is removed, grab your replacement Acer TM8002LCi battery for installation.
6. Insert the battery into the slot. Push the Acer TM8002LCi battery towards the laptop and secure it in place.