1. Turn your HP ze5616AP laptop over.
2. Find the laptop battery release button lock for your HP ze5616AP laptop.
3. Now that your HP ze5616AP 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 ze5616AP battery is removed, grab your replacement HP ze5616AP battery for installation.
6. Insert the battery into the slot. Push the HP ze5616AP battery towards the laptop and secure it in place.