1. Turn your Acer TM8003LMi laptop over.
2. Find the laptop battery release button lock for your Acer TM8003LMi laptop.
3. Now that your Acer TM8003LMi 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 TM8003LMi battery is removed, grab your replacement Acer TM8003LMi battery for installation.
6. Insert the battery into the slot. Push the Acer TM8003LMi battery towards the laptop and secure it in place.