Hi new to the group so please tolerate me. I have an 'old now' SONY MZ-R91 MD which i have not used for a year or so now. Tried playing with it today and it seems that it will operate ok off the 3V mains but will not charge. Whenever i place on charge the battery charging indicator does not appear on the LCD either. Just wanted some pointers really as to what could be wrong before i go and purchase a new battery for it. Which brings me to my second ask, if i do need a new batt anybody have a link for a cheap provider i need a sony nh 14wm Thankyou in anticipation