1. Turn your Samsung E452 laptop over.
2. Find the laptop battery release button lock for your Samsung E452 laptop.
3. Now that your Samsung E452 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 Samsung E452 battery is removed, grab your replacement Samsung E452 battery for installation.
6. Insert the battery into the slot. Push the Samsung E452 battery towards the laptop and secure it in place.