Hello i was digging through so stuff and fpund an old camera it is a Sony Carl Zessis camera ans after so time charging their was a battery that you jave to pull out and stock on a charger to charge but it charges because it has not been used for 20 year and after time it turns on i charged for 2 hours and it can be on for 30 seconds and thwn it shuts down. Anyone have a idea?