Amazon.com: MA20ML Replacement Battery Adapter Compatible with Makita 18V Li-ion Battery BL1860 BL1850 Convert for Milwaukee M18 Li-Ion Battery Compatible with Milwaukee 18V Battery Tools 48-11-1850 48-11-1862 : Tools & Home Improvement
Makita 18V LXT Lithium-Ion Battery Pack 5.0Ah and 18V LXT Battery Pack 5.0Ah with bonus 18V LXT Battery Pack 5.0Ah BL1850B-2BL1850 - The Home Depot
DIY: Salvage high discharge 18650 cells from Makita tool battery for free - YouTube
Amazon.com: JANR Replacement 2-in-1 DC18RD DC18RC DC18SF Dual Double Port 14.4-18V Power Tools Rapid Battery Charger USB for Makita Two BL1830 1850 BL1830 BL1840 BL1850B BL1820 BL1815 BL1840B (1.5A 3A 4A 5A) :
2 Pack For 18V Makita BL1850B 5.0Ah Battery Replacement & For Makita D – Battery Factory Outlet
6000mAh for Makita 18V 18650 Li ion lithium tool battery pack BL1845 for self installation|Replacement Batteries| - AliExpress
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 5.0 Ah with LED Charge Level Indicator (2-Pack) BL1850B-2 - The Home Depot
18v 6000mah Rechargeable Battery For Makita Power Tool Battery, With Led Indicator Lithium Ion Replacement Lxt Bl1860 1850 - Rechargeable Batteries - AliExpress