I have a two-year old E1505/6400 that has a sudden battery light and charging issues. The battery is typically used for no more than a minute at a time. It drained completely after accidentally being left unplugged. When I plug in the adapter to the computer, the charge light flashes
orange momentarily (either once or ~three times), and then goes to
green for about 30 seconds, and then turns off. I can charge the
battery for 30 second intervals while in hibernate. (It is now showing 1% charge, which is up from 0%.) The battery has three consecutive green lights on the "fuel gauge" which indicate a 60% charge. The battery meter reads 1%. The bios says battery is "functioning normally."