2 X Makita 18V 4.0Ah Li-Ion LXT Battery BL1840 BL1840B 4AH 196399-0 Genuine UK | DIY at B&Q
Makita 18V LXT Lithium-Ion High Capacity Battery Pack 4.0Ah with Fuel Gauge BL1840B - The Home Depot
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LaiPuDuo for makita battery 18v bl1830 bl1840 bl1850 lxt400 pcb circuit board with battery case replacement no cells included 3a 4a 5a