So I read here that it's OK to leave the charger plugged in over the winter, so I did for about 65 days. Then I unplugged it and left alone for a couple of weeks. Never tried to move the cart. Replugged the charger in and nothing, from the charger, no needle moving, nothing. I have not even looked at anything because I'm a real novice on this cart. Where do I go first and what may have went wrong? When I parked it to store the charger worked fine and so did the cart. It has new batteries last spring:headbang2: