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
Amazon.co.jp: Makita 18V Battery, BL1860B, Makita Compatible Battery, Makita 18 V, 6.0 Ah, LED Level Display, Compatible with BL1830, BL1840, BL1850, DC 18RC Charger, 6,000 mAh Large Capacity, Power Tool Battery, Set