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
Long Milwaukee M18 5.0 Battery Last | Milwaukee M18 Battery High Demand 9.0 - M18b - Aliexpress
Milwaukee M18 Fuel 1/2" 18V Brushless Hammer Drill/Driver 2804-20 with 4Ah Battery & Tool Bag - Walmart.com
Milwaukee M18 Fuel Redlithium Battery Pack 4.0AH 18V from Reece