Me too. I think am seeing low voltage at 50% charge, captain Morgan at 35%. Drained it, charged it, carried it half way home today. Had issues starting today starting with motor pulsing at 54%, and was captain M within 1/4 mile. New XR, 1month old/333 miles. I think these batteries are supposed to be good for about 8 years, but mine seems to be failing at 3-4 weeks.