18V 6.0 Ah Extended Capacity Battery Replacement for Milwaukee, Compatible with M-,-18 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828, 48-11-1840, 48-11-1841, 48-11-1850, Power Tool - Amazon.com
Milwaukee M12-18FC Rapid Charger for M12 & M18 12V 18V - 220V Bulk Pack | eBay
Amazon.com: SZWJT-LV Battery Holder for Milwaukee M18 18V Battery, Mount 3 Slot Bulk Battery Garage Tool, Milwaukee Battery Holder for Work Van, Shelf, Toolbox : Tools & Home Improvement
Amazon.com: for Milwaukee M18 Battery Adapter Convert for Milwaukee V18 48-11-1830 48-11-2200 48-11-223 USB Converter Power Tool : Tools & Home Improvement
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Milwaukee M18 18V Lithium-Ion XC Extended Capacity Battery Pack 5.0Ah (10-Pack) 48-11-1852-10X - The Home Depot