Amazon.com: Battery Adapter Converter for Makita BL1850 BL1860 18V Battery to Hitachi 18V BSL1830C BSL1815X BSL1815S BSL1830 Battery, to Metabo HPT 18V Battery, Work with Hitachi & Metabo 18V Slide Style Tools :
Generic Werhoo SDS MAX Ground Rod Driver Compatible with Hilti/DeWalt/Bosch/ Hitachi/Makita/Milwaukee SDS
1x HITACHI 18V Li-Ion Battery To Makita 18V LXT Hammer Tool Adapter-Adapter Only | eBay
Amazon.com: 18V Battery Adapter for Hitachi to for Makita Lithium Battery, DC DC 18V Battery Converter for Electric Tools, No Need Buy One More Battery : Tools & Home Improvement