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Amazon.com: LaiPuDuo Battery Replacement Plastic Case for Makita Battery 18V BL1830 BL1840 BL1850 LXT400 PCB Circuit Board Replacement No Cells Included 3A 4A 5A : Tools & Home Improvement
Makita BL1830B 18V LXT Lithium-Ion 3.0Ah Battery, Black - Amazon.com