Milwaukee 48-11-1840 M18™ 18-Volt Cordless Lithium-Ion Redlithium™ 4.0 Battery Pack

- Item #: BCI2139748

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Configure your Milwaukee 48-11-1840 M18™ 18-Volt Cordless Lithium-Ion Redlithium™ 4.0 Battery Pack

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M18™ 18-Volt Cordless Lithium-Ion Redlithium™ 4.0 Battery Pack


  • Works on the M18 cordless tool system and has 4.0 Amp hours of run time
  • Redlithium™ XC 4.0 provides up to 2X more run-time, 20% more power and 2X more recharges than a standard Lithium-Ion battery
  • Battery operates cooler and performs in climates below 0°F/-18°C with fade free power
  • Battery fuel gauge - Displays remaining run-time
  • Milwaukee Redlink™ Intelligence
  • 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


  • Voltage: 18-Volts
  • Battery Type: Lithium Ion
  • Warranty: 3 Years
  • Weight: 1.6 lbs.

Since its founding in 1924, Milwaukee has focused on a single vision: To produce the best heavy-duty electric power tools and accessories available to the professional user. Today, the Milwaukee name stands for the highest quality, durable and reliable professional tools money can buy.

Additional Milwaukee Links

Our SKU: Milwaukee 48-11-1840

This product is listed under the following manufacturer number(s):

  • Milwaukee 48-11-1840

*Denotes a finish or option that has been discontinued

Milwaukee 48-11-1840 Product Specifications

Operator's Manual
Battery Type Lithium Ion
Charge Time 30
Cordless Yes
Power Type Cordless
Product Weight 1.6
Voltage 18
Warranty 3 Year

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