DEWALT POWERSTACK™ 20V MAX* Oil-Resistant Compact Battery

Product Overview

The DEWALT POWERSTACK™ 20V MAX* Compact Battery is 50% more powerful, 25% more compact, and 15% lighter**. This battery features an impact-resistant, rubber overmolded base and utilizes revolutionary pouch cell battery technology to provide 2X the lifetime**. Engineered to get into tight spaces without sacrificing performance, our most powerful, most compact, and lightest weight battery** is compatible with the 20V MAX* tools and chargers you already own.

Additional Features

  • DURABILITY TO RESIST DAMAGE: Recommended for work involving regular exposure to oil, grease and solvents
  • 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) Battery


Product Length [Imperial]
3.1 in
Battery Capacity
1.7 Ah
Product Height [Imperial]
4.5 in
Charge Time
1 hour(s)
Product Width [Imperial]
2.24 in
Battery Type
20V MAX* V
Number of Pieces
Product Weight [Imperial]
0.81 lbs



  • 3 Year Limited Warranty

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, not in application. Regarding 25% smaller pack: footprint vs. DCB203 battery. Regarding 2x lifetime: charge cycles vs. DCB203 battery. Regarding our lightest and most powerful: vs. DEWALT 20V MAX* batteries 2Ah or lower.