1. Turn your Apple MB134B laptop over.
2. Find the laptop battery release button lock for your Apple MB134B laptop.
3. Now that your Apple MB134B 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 MB134B battery is removed, grab your replacement Apple MB134B battery for installation.
6. Insert the battery into the slot. Push the Apple MB134B battery towards the laptop and secure it in place.