2Pack 6AH For MILWAUKEE M12 48-11-2401 12V Lithium Ion Battery 48-11-2420 M12B6 | eBay
12V 3Ah 5Ah 6Ah 9Ah Rechargeable Li ion Battery for Milwaukee M12 XC 12 V Power Tools LITHIUM ION Cordless Batteries 48 11 2402|Rechargeable Batteries| - AliExpress
Milwaukee M12 RedLithium High Output Batteries - Pro Tool Reviews