Battery Adapter MT20RNL For Makita BL 1840 Convert To Ryobi 18V DIY Charge Port - Walmart.com
Makita 18V LXT® Lithium‑Ion 4.0Ah Battery BL1840B – My Parts Store
Makita Battery Charger Voltage 7.2 ~18.V for BL1815/1830/1840/1850 220VAC DC18RC | eBay
The 6.0ah Bl1860 That Replaces Makita 18v Lithium Ion Battery Is Compatible With Makita 18v Bl1850 1840 1830 Cordless Power Tool - Rechargeable Batteries - AliExpress