Sent my 6ah Battery in for repair since it wouldn't charge past 3 bars and showed the Christmas Lights of death on my charger. Got a new one sent back to me
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