20V MAX* Compact 4Ah Battery

20V MAX* Compact 4Ah Battery

  • 4 Amp Hour (80 Watt hour) capacity provides extended runtime
  • Same Size & Weight as DCB230 20V MAX* Compact 3Ah Battery
  • Lighter weight with same capacity as DCB204 4Ah battery
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Product Overview

The DCB240 20V MAX* 4Ah compact lithium ion battery provides the highest capacity within the DEWALT 20V MAX* compact battery lineup. Using state-of-the-art lithium ion technology, the DCB240 delivers up to one-third more run time while maintaining the same size and weight as the DCB230 20V MAX* 3Ah compact battery. Its small size and light weight provide ergonomic benefits for increased tool maneuverability and control for overhead applications. The DCB240 includes a fuel gauge LED charge indicator and 3-year limited warranty.

Additional Features

  • compatible with 20V MAX* tools and chargers
  • Includes fuel gauge 3-LED charge indicator


  • (1) 1DCB240 4Ah Compact Lithium Ion Battery


Battery Voltage
20V MAX* XR® V
Product Length [Imperial]
7.375 in
Battery Capacity
4 Ah
Charge Time
45 min
Product Width [Imperial]
3.5 in
Product Height [Imperial]
7 in
20V MAX* V
Battery Type
Number of Pieces
Product Weight [Imperial]
1.15 lbs


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.

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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 volts. Nominal voltage is 18.