1. Turn your Gateway M1618R laptop over.
2. Find the laptop battery release button lock for your Gateway M1618R laptop.
3. Now that your Gateway M1618R 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 Gateway M1618R battery is removed, grab your replacement Gateway M1618R battery for installation.
6. Insert the battery into the slot. Push the Gateway M1618R battery towards the laptop and secure it in place.