1. Turn your HP ZV5270US laptop over.
2. Find the laptop battery release button lock for your HP ZV5270US laptop.
3. Now that your HP ZV5270US 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 HP ZV5270US battery is removed, grab your replacement HP ZV5270US battery for installation.
6. Insert the battery into the slot. Push the HP ZV5270US battery towards the laptop and secure it in place.