Amazon.com: KS smithy Battery Mount Holder Magnetic Compatible with The Milwaukee M18 (8-12ah),(5-6ah),(3-4ah), (No Battery),Mounted to Steel Surface with Magnets, Removable (MWK 18V3) : Tools & Home Improvement
Milwaukee M18 Fuel 1/2" 18V Brushless Hammer Drill/Driver 2804-20 with 4Ah Battery & Tool Bag - Walmart.com
Milwaukee M18 18-Volt 4.0 Ah Lithium-Ion XC Extended Capacity Battery Pack 48-11-1840 - The Home Depot
9.0/6.0/5.0/4AH For Milwaukee M18 18V Lithium XC Battery Charger 48-11-1860 NEW | eBay
Amazon.com: Milwaukee 48-11-1840 18-Volt M18 Red Lithium Xc 4.0 Ah Battery Packs : Tools & Home Improvement