Milwaukee M12 12-Volt Lithium-Ion 4.0 Ah Battery and Charger Starter Kit with Tool Bag 48-59-2440B - The Home Depot
VANON Upgraded 4 Pack 6.0Ah 12V Lithium Ion Batteries Replacement for Milwaukee M 12 Battery 48-11-2460 48-11-2401 48-11-2420 48-59-2401 Compatible with Milwaukee 12 Volt Cordless Power Tools - - Amazon.com