1. Turn your Lenovo F41C laptop over.
2. Find the laptop battery release button lock for your Lenovo F41C laptop.
3. Now that your Lenovo F41C 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 F41C battery is removed, grab your replacement Lenovo F41C battery for installation.
6. Insert the battery into the slot. Push the Lenovo F41C battery towards the laptop and secure it in place.