Battery Technology Li-Ion Power Tool Battery For Makita Bl1840 18V 4.0Ah MAK-BL1840-4.0AH | Zoro
Battery Adapter for Makita 14.4V-18V Battery Portable Fast Charging Battery Converter with LED Light and Dual USB Port Compatible with ADP05 BL1815 BL1830 BL1840 BL1850 - Walmart.com