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2Pack BL1850B 5.0Ah 18V Replacement Battery for Makita 18v Battery Lithium Compatible with Makita 18 Volt Battery BL1860 BL1850 BL1845 BL1840 BL1830 BL1820 BL1815 LXT400 194204-1 - - Amazon.com
Amazon.com: BL1830 BL1840 Replacement 18V 3000mAh Battery for Makita 18V LXT Lithium-Ion BL1815 BL1830 BL1835 BL1840 BL1845 BL1850 BL1860 LXT400 Cordless Power Tools Battery : Tools & Home Improvement