We are quick to respond and resolve. Used items have a 30-day return. We have no knowledge of the history of the equipment. We do not have power cords to provide unless they are attached to the item or unless stated that they are provided. If one is pictured it is for testing purposes only unless it is attached or stated that it will be included.Our items do not come with manuals or any other accessories unless shown and/or stated that they are included. We do not have power cords to provide unless they are.