Waitley 18v 9.0ah Battery For Makita Power Tool Bl1830 Bl1840 Bl1850 Bl1860 1890 18 V 18volt 9000mah Lithium-ion Replacement 9a - Rechargeable Batteries - AliExpress
Makita BL1820B 18V Compact Lithium-Ion 2.0Ah Battery, Black - Amazon.com
Battery Adapter for Makita 18V Lithium-ion Power Tools,for Convert Milwaukee 18V or Dewalt 20V Lithium-ion Battery to Makita 18V Lithium-ion Battery Black - Walmart.com