Makita BL1840B 18V LXT Lithium-Ion 4.0Ah Battery, Black - Amazon.com
Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement
Amazon.com: 2 Packs Replace for Makita 18V Battery 6.0Ah, Replacement Makita 18 Volt BL1860B Batteries BL1820B 1830B 1840B 1850B, Compatible with Makita 18v Tools, Fit with Original Makita 18v Battery Charger :
2 Ersatz Makita Akku 18V 4.0Ah mit Ersatz 4A DC18RD Doppel-Ladegerät für Makita BL1850 BL1840 BL1830 Werkzeugakku: Amazon.de: Baumarkt
Makita BL1840B 18V LXT Lithium-Ion 4.0Ah Battery, Black - Amazon.com