Source Laptop Battery for Dell Studio XPS 1640 1641 1645 1647 1640n PP35L OPP35L 0PP35L X411C X413C PP35L U011C 312-0814 on m.alibaba.com
Amazon.co.jp: Compatible with Dell XPS 1640, Studio XPS 1645, Studio XPS 1647, X411C, X413C, PP35L, PP35L, Black (5200mAh, 11.1v), Ming High Performance Compatible Battery : Computers