1. Turn your Apple MA680LL/A laptop over.
2. Find the laptop battery release button lock for your Apple MA680LL/A laptop.
3. Now that your Apple MA680LL/A 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 Apple MA680LL/A battery is removed, grab your replacement Apple MA680LL/A battery for installation.
6. Insert the battery into the slot. Push the Apple MA680LL/A battery towards the laptop and secure it in place.