Amazon.com: for Makita 18V Battery Adapter Convert to for Hitachi 18V Lithium Cordless Tool and for Metabo18V (Not 36V) Slide Style Tools : Tools & Home Improvement
Battery Adapter for Hitachi 18V/36V BSL1830 BSL1850 BSL1825 to Makita lxt 18V Brushless tool batterBL1840 BL1850 BL1860B - AliExpress
Makita USA - Product Details -PDC01
Makita 36V (18V x 2) LXT Li-Ion Dual Battery Converter Cordless Adaptor AU | eBay
Makita 18v LXT Battery Backpack Adaptor PDC01 - more runtime than ever before! - YouTube