How do I change the battery on an LLBean cap?

To change the battery on an L.L.Bean cap with a built-in LED light, first, locate the battery compartment, usually found on the inside of the cap. Use a small screwdriver to open the compartment and carefully remove the old battery. Insert a new battery, ensuring the positive and negative ends are aligned correctly, then close the compartment securely. Make sure to test the light to confirm the battery has been replaced successfully.