Amazon.co.jp: VANKO Compatible Makita 18V Battery, BL1860B, 6,000 mAh, Large Capacity, Set of 2, Makita Compatible Battery, 18V, BL1815N, BL1820B, BL1830B, BL1850B, BL1860B, etc. Remaining Volume Display, Self-Fault Diagnostic, Highly Durable, PSE
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,