Milwaukee M12 12-Volt Lithium-Ion Compact and Extended Capacity Battery Combo with Four 2.0 Ah and Four 4.0 Ah Batteries 48-11-2442P-48-11-2442P - The Home Depot
2-Pack 5000mAh 12V Replacement Battery for Milwaukee M12 48-11-2440 XC 12 Volt Milwaukee Power Tool - Walmart.com
Milwaukee Part # 48-59-2420 - Milwaukee M12 12-Volt Lithium-Ion Compact Battery Pack 2.0Ah And Charger Starter Kit - Power Tool Batteries - Home Depot Pro