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Milwaukee 48-11-1840 M18 Battery

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SKU MILW48-11-1840

18 Volt XC4.0 Extended Capacity Lithium-Ion

The newest Milwaukee 18V Lithium-Ion Battery works on the M18 Cordless Tool System and has 4.0 Amp Hours of run-time. This battery powers over 40 Milwaukee M18 cordless tools. Milwaukee's M18 REDLITHIUM XC4.0 provides up to 2X more run-time, 20% more power and 2X more recharges than a standard Lithium-Ion battery. REDLITHIUM XC4.0 also delivers best-in-class performance in extreme job-site conditions. With Milwaukee durability built into each pack, the REDLITHIUM XC4.0 battery operates cooler and performs in climates below 0°F/-180°C with fade free power.

Standard Equipment:

  • One M18 XC Extended Capacity Li-Ion Battery


  • Rating: 18 Volt / 4.0 Amp-hr Li-Ion
  • Weight: 1.6 lbs


  • 4.0 Amp hour - 72 Watt hour battery.
  • LITHIUM-ION battery delivers long life and run time with fade-free power.
  • Battery fuel gauge - Displays remaining run-time.
  • Overload Protection - Prevents user from damaging their cordless power tool investment in abusive situations.
  • Temperature Management System - Keeps battery in ideal temperature range to provide maximum life.
  • Individual Cell Monitoring - Ensures optimal charge and discharge for maximum life.
  • Discharge Protection - Prevents cell damage from over-discharge.
  • Best in class construction.
  • Integrated weld frame.
  • Cell separator.
  • Impact and vibration protective rubber.
  • For use with Milwaukee M18 cordless tools.

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