Makita 191J51-5 18V LXT® X2 Adapter, PDC01Makita 191J51 5 The 18V LXT X2 Adapter (191J51 5) works with Makitas Portable Backpack Power Supply (PDC01, sold separately) to provide longer run time. It adapts the PDC01 for use with Makita 18V LXT X2 (36V) products. The adapter installs quickly and easily. Durable construction and high quality materials for longer service life. Key Features EFFICIENCY : For use with Makita PDC01 LXT and LXT X2 Portable Backpack Power Supply CONVENIENCE : Installs