You can return old batteries that we have as new batteries in our range, free of charge at our shipping camp (shipping address). The symbols shown on the batteries have the following meaning: You can use the used oil or Personal oil filters and oil -containing oil -containing waste when changing oil. Alternatively, you can choose the shipping by post if the shipping costs are covered. We have specialized in online trading since 2008 and therefore your order is in good hands with us. We are always there for you. You can rely on us. If you have any questions, you can call us at our normal opening times Mon-Fri at 9 a.m. to 4 p.m. or you are welcome to write us an email, which will be answered by an employee from us within 24 hours, e-mail support does not stop even after the purchase.