What do the LED patterns on my charger mean? Wilson February 12, 2021 20:27 Updated Follow CHARGE INDICATORS Charging (The red LED will blink continuously) Completed (Indicated by the red LED remaining ON continuously) Problems (indicated by the red LED lashing at a fast rate, red with yellow LED or no LED) Related articles Why is my battery not charging anymore? How can I tell what battery comes in my combo kit What is the warranty on my battery? Which charger can I use for my batteries? Can the DEWALT DCB1800 Portable Power Station be used on sensitive electronics? Comments 0 comments Please sign in to leave a comment.