Amazon.co.jp: Makita Lithium Ion Battery 18V Silicone Case (White) : DIY, Tools & Garden
Makita BL1850-2 18-volt LXT Lithium-Ion 5.0Ah Battery, 2-Pack- Discontinued by Manufacturer (Discontinued by Manufacturer) - - Amazon.com
Amazon.co.jp: Makita 18V Battery Compatible with BL1860b BL1815b, BL1830b, BL1840b, BL1850b, LED Level Display, Battery for Power Tools, PSE Certified : DIY, Tools & Garden