1. Turn your Dell W860J laptop over.
2. Find the laptop battery release button lock for your Dell W860J laptop.
3. Now that your Dell W860J 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 Dell W860J battery is removed, grab your replacement Dell W860J battery for installation.
6. Insert the battery into the slot. Push the Dell W860J battery towards the laptop and secure it in place.