FLEXVOLT® 20V/60V MAX* 9Ah Battery

Product Overview

Get power for your most demanding jobs with the FLEXVOLT® 20V/60V MAX* 9Ah Battery. Compatible with 20V MAX*, 60V MAX*, and 120V MAX* tools, these batteries feature patented technology that automatically switches voltage when you change your tools. Engineered to run cooler than the leading competitor 9Ah battery***, this battery provides up to 6X the runtime** when used in 20V MAX* tools.

Additional Features

  • Runs cooler than leading competitor 9.0Ah battery for better efficiency***
  • Compatible with all 20V MAX* chargers
  • Compatible with all 20V MAX*, 60V MAX*, and 120V MAX* tools and products
  • Silicone encapsulated module helps keep dust and debris out
  • Operates in outside temperatures down to 0° F
  • LED charge status display on battery


  • (1) Battery


Battery Capacity
9 Ah
Battery Type
Lithium Ion
Battery Voltage
20/60 V
Charge Time
45 min
Number of Pieces
Product Height
8.1 in
Product Length
7.6 in
Product Weight
3.45 lbs
Product Width
3.625 in
20/60 V



  • 3 Year Limited Warranty, 1 Year Free Service, 90 Days Satisfaction Guaranteed

We’re confident of the quality of our products, and we’ll repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.

Learn More


We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

Support Manual


  • * Maximum initial battery voltage (measured without a workload) is 20, 60, and 120 volts. Nominal voltage is 18, 54, and 108. 120V MAX is based on using 2 DEWALT 60V MAX* lithium-ion batteries combined.
  • ** With DCB609 FLEXVOLT® battery when used with DEWALT 20V MAX* tools compared to DCB201 1.5 Ah battery pack.
  • *** On average, the Milwaukee® 48-11-1890 Battery temperature rises 50% faster during a constant 60 amp discharge up to a 70°C thermal shutdown.