1. Turn your Compaq 454954-001 laptop over.
2. Find the laptop battery release button lock for your Compaq 454954-001 laptop.
3. Now that your Compaq 454954-001 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 Compaq 454954-001 battery is removed, grab your replacement Compaq 454954-001 battery for installation.
6. Insert the battery into the slot. Push the Compaq 454954-001 battery towards the laptop and secure it in place.