Bipolar 2 disorder is a mental illness that is characterized by mood swings. These mood swings can be from very high highs to very low lows. It is important to have a bipolar 2 checklist to help track and manage the symptoms of bipolar 2 disorder. A bipolar 2 checklist can help you track your moods, triggers, and symptoms. This can help you to better manage your bipolar 2 disorder.