yadoker Silicone Protect case for Milwaukee M12 3.0,4.0,5.0 Battery 3PCS - Amazon.com
Milwaukee M12 12-Volt Lithium-Ion XC Battery Pack 4.0 Ah and Charger Starter Kit 48-59-2440 - The Home Depot
Amazon.com: Extra Large Battery Storage Case for Milwaukee M12 M18 18V Battery and Charger, Batteries Box Holder for 12V M18 18V 2.0/3.0/4.0/6.5/5.0/8.0/6.0/9.0/12.0-Ah Batteries, Adapter (Bag Only) - Red : Electronics
5X Battery Case Replacement Shell Cover For M12 Milwaukee 48-11-2411 Top Plastic | eBay