Regarding unused goods, the batteries that are set are for testing. Regarding used goods, no batteries come with you. Please understand. There are cases where sales prices and tax displays are different in mail order and stores. Also, stores are already out of business, and please understand.
The guarantee period for the product is one week after you reach your hands. Used junk has no guarantee because of status quo sales. If you have passed the warranty period, you can respond to the return exchange.