Milwaukee M18B4 M18 4.0Ah Red Lithium Battery




  • REDLINK™ PLUS Electronic Intelligence enables advanced communication between your batteries and tools, allowing for unmatched levels of performance, protection, and productivity.
  • Versatility: Powers more than 120+ Milwaukee M18™ cordless power tools.
  • Overload protection to prevent battery abuse.
  • Temperature Management System to keep battery at ideal temperature.
  • Individual Cell Monitoring for optimal charge and discharge for maximum battery life.
  • Discharge Protection prevent cell damage from over-discharging.


  • Voltage: 18V
  • Capacity: 4.0Ah
  • Charge time:
    • M12-18FC: 50 mins
    • M12-18C: 84 mins
  • Weight: 720g


  • 2 Years