Do You Feel That Your robot Vacuum Cleaner Battery Is Not Lasting Long? Isn’t Keeping The Charge? It’s Very Likely That Your Battery Is Gone And Has To Be Replaced. Your robot Vacuum Cleaner Needs A Battery Instead Of The Cord In Order To Work. If The Battery Does Not Keep The Charge, The Vacuum Cleaner Will Not Work. Get Your Problems Sorted With This Replacement robot Vacuum Cleaner Battery Compatible With Many Models.