1. Turn your Lenovo 2371 laptop over.
2. Find the laptop battery release button lock for your Lenovo 2371 laptop.
3. Now that your Lenovo 2371 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 Lenovo 2371 battery is removed, grab your replacement Lenovo 2371 battery for installation.
6. Insert the battery into the slot. Push the Lenovo 2371 battery towards the laptop and secure it in place.