Brand new (unused), just received with my laptop but surplus to requirements.
N.b: This is the 9 CELL for extended battery life.(85Wh)
Part number: 451 10658
Part Info here:http://accessories.euro.dell.com/sna/productdetail.aspx?c=uk&l=en&s=dhs&cs=ukdhs1&sku=451-10658
This has just been received (i.e. its not been lying about losing optimum charging capability) and has never been used so it reall is exactly as you would receive from Dell direct only 20 percent cheaper.
See my ebay account under the same user id and my huk feedback - both are exemplory.
collection from Bristol or via insured postal service