Amazon.co.jp: VANKO Compatible Makita 18V Battery BL1860B, 6,000 mAh, Long Time Operation, Set of 2, Compatible with Makita 18V, BL1815N, BL1820B, BL1830B, BL1850B, BL1860B, BL1890B, PSE and CE Mark Certified, LED Lamp
Amazon.co.jp: Makita BL1860 18V Compatible Battery, 6,000 mAh, Makita 18 V Battery, Battery for Power Tools, Single Item, Large Capacity, 6.0 Ah, Compatible with Impact Batteries, 3 Levels of Remaining Capacity Display,