OK, for todays silly suggestion, check the charger. There is a possibility that the rectifier has gone short circuit, and putting, say, 20+ volts AC into the battery wont make it very happy. http://www.alanstepney.info Alan Stepney's Model Engineering, steam, and workshop pages. MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.