New Battery For Makita 18V 6.5Ah LXT Lithium-Ion BL1840 BL1860 BL1820 tool -2pk 88381474900 | eBay
Amazon.com: EID MT20DL Adapter for Makita 18V Battery to for Dewalt 20V Li-ion Max XR DCB180 Tools Convert for Makita BL1850B BL1840 BL1830B BL1815 to Dew 20V Li-ion Max XR DCB180 DCB200