20V MAX* POWERSTACK™ Compact Battery

Product Overview

Introducing THE NEXT DIMENSION IN POWER™ with the 20V MAX* DEWALT POWERSTACK™ Compact Battery. This battery has 50% more power with a 25% smaller footprint** and works with the 20V MAX* tools you already have. This battery provides twice the lifetime** and features an impact-resistant, overmolded base with non-marring material. Take advantage of our lightest and most powerful battery** as the rubber overmold base and twice the lifetime** combine to form a dependable lithium-ion solution.

Additional Features

  • AVOID UNPLANNED WORK STOPPAGES: LED fuel gauge displays state-of-charge
  • 20V MAX* SYSTEM COMPATIBILITY: Battery works with all DEWALT 20V MAX* tools and chargers


  • (1) DCBP034 20V MAX* POWERSTACK™ Compact Battery


Battery Voltage
20 V
Product Length [Imperial]
5.9 in
Battery Capacity
1.7 Ah
Tool Weight [Metric]
0.3 Kg
Extended Reach
Product Height [Imperial]
7.4 in
Charge Time
1 hour(s)
Product Weight [Metric]
0.3 Kg
Product Width [Imperial]
2.562 in
Battery Chemistry
Lithium Ion
Battery Type
Lithium Ion
Fuel Gauge
Number of Pieces
20V MAX* V
Product Weight [Imperial]
0.8 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.

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 volts. Nominal voltage is 18.
  • ** Regarding 50% more power: vs. DCB203 battery, not in application. Regarding 25% smaller pack and more compact: footprint vs. DCB203 battery. Regarding our lightest and most powerful: vs. DEWALT 20V MAX* batteries 2.0Ah or lower. Regarding 2x lifetime: charge cycles vs DCB203 battery.