Milwaukee 18V 48-11-1850 5.0 AH Batteries M18 XC18 48-11-1850 Battery 2-Pack US (2) M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack (48-11-1850) NEW AND NEVER USED Manufactured Part Number 48-11-1850 Milwaukee Original Batteries 2 PCS New Batteries