PLEASE MOTHERS, WHICH ONE OF US IS USING MEDELA ELECTRIC PUMP. I GOT THE SINGLE PUMP ELECTRIC PUMP, COS PEOPLE VE BEEN SAYING, ITS THE BEST. THE PUMP WILL EXTRACT MILK IN THE BOTTLE FOR A WHOLE AND LATER THE MILK STARTS GOING INTO THE PIPE, NOT THE BOTTLE AGAIN, TO THE EXTEND THAT IT GETS INTO THE BATTERY COMPARTMENT. WHAT AM I DOING WRONG PLEASE?