Product image of two identical DEWALT batteries. The batteries are yellow and black, featuring the "DEWALT 20V MAX" and "5 AH" logos.
Product image for DEWALT Kit DCB205-2. Text reads "Includes: Kit - DCB205-2, (2) DCB205 20V MAX* 5 AH BATTERIES." Below the text are the two included yellow and black DEWALT batteries. A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
An infographic of a DEWALT 20V MAX 5Ah battery highlighting its features. A callout points to the top of the battery with the text: "COMPATIBLE WITH 20V MAX* TOOLS AND CHARGERS." Another callout points to the fuel gauge on the back with the text: "STATE OF CHARGE INDICATOR." A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
Side view of a DEWALT 20V MAX 5Ah Lithium Ion battery.
Action shot of a worker using a DEWALT cordless impact wrench powered by a 20V MAX XR 5Ah battery to tighten lug nuts on a vehicle wheel. The image features a text overlay stating 60 percent more capacity than the DCB200 standard battery.
Marketing image with the headline: "NEW LOOK. SAME RELIABLE BATTERY." Below, an older design of a DEWALT 20V MAX XR battery is shown next to an arrow pointing to the newer, updated design of a DEWALT 20V MAX 2Ah battery. A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
Official DEWALT 20V MAX system logo set against a high-contrast yellow and black background, representing the professional-grade cordless power tool platform compatible with these XR 5.0Ah lithium-ion batteries.
Product image of two identical DEWALT batteries. The batteries are yellow and black, featuring the "DEWALT 20V MAX" and "5 AH" logos.
Product image for DEWALT Kit DCB205-2. Text reads "Includes: Kit - DCB205-2, (2) DCB205 20V MAX* 5 AH BATTERIES." Below the text are the two included yellow and black DEWALT batteries. A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
An infographic of a DEWALT 20V MAX 5Ah battery highlighting its features. A callout points to the top of the battery with the text: "COMPATIBLE WITH 20V MAX* TOOLS AND CHARGERS." Another callout points to the fuel gauge on the back with the text: "STATE OF CHARGE INDICATOR." A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
Side view of a DEWALT 20V MAX 5Ah Lithium Ion battery.
Action shot of a worker using a DEWALT cordless impact wrench powered by a 20V MAX XR 5Ah battery to tighten lug nuts on a vehicle wheel. The image features a text overlay stating 60 percent more capacity than the DCB200 standard battery.
Marketing image with the headline: "NEW LOOK. SAME RELIABLE BATTERY." Below, an older design of a DEWALT 20V MAX XR battery is shown next to an arrow pointing to the newer, updated design of a DEWALT 20V MAX 2Ah battery. A footnote at the bottom reads: "*Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18 volts."
Official DEWALT 20V MAX system logo set against a high-contrast yellow and black background, representing the professional-grade cordless power tool platform compatible with these XR 5.0Ah lithium-ion batteries.
DEWALT

DEWALT Battery Pack DCB205-2 20V MAX 5.0 Ah Dual Pack (Lithium Ion 3-LED Fuel Gauge High Capacity Cordless Tool Power Source)

In stock
SKU: DCB205-2
$249.00 USD

Description

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DEWALT DCB205-2 20V MAX 5.0 Ah Lithium-Ion Battery 2-Pack

The DEWALT DCB205-2 is a two-pack of 20V MAX 5.0 Ah high-capacity lithium-ion power packs engineered to extend operating runtime across the complete DEWALT 20V MAX cordless power tool platform. Operating at 20 volts max (18V nominal) with a 5.0 Ah charge capacity, each battery delivers extended power delivery without memory loss or self-discharge under storage conditions. Equipped with an integrated 3-LED fuel gauge system for immediate charge status monitoring, these lightweight 1.4 lb batteries power high-demand jobsite equipment including rotary hammers, circular saws, and impact wrenches.

Best Used For:

  • Continuous High-Demand Cordless Power: Running heavy-duty power tools like circular saws, reciprocating saws, and rotary hammers for extended durations between charges.
  • Jobsite Rotation & Minimal Downtime: Swapping active battery packs on high-volume trade crews to ensure continuous tool operation during full-day jobs.
  • Sub-Zero Outdoor Operation: Powering 20V MAX jobsite equipment in cold weather conditions where standard chemistry batteries experience rapid voltage drop.

Key Performance & Safety Features

  • 5.0 Ah Extended Runtime Capacity: Provides up to 60% more runtime capacity per charge compared to standard 3.0 Ah compact battery packs.
  • Integrated 3-LED Fuel Gauge Indicator: Push-button state-of-charge display gives immediate visibility to remaining battery reserve level to prevent work stoppage.
  • Zero Memory Effect Chemistry: Premium lithium-ion cell construction experiences virtually no self-discharge during storage for maximum working efficiency.
  • Universal 20V MAX System Compatibility: Fully interchangeable with all DEWALT 20V MAX slide-style cordless tools, chargers, and outdoor power equipment.
  • Compact Lightweight Enclosure: Weighs just 1.4 lbs per pack to provide high energy storage without adding unnecessary hand fatigue during overhead use.

What's Included

  • (2) DEWALT DCB205 20V MAX 5.0 Ah Lithium-Ion Slide-Style Batteries

Technical Specifications

Brand Manufacturer DEWALT® Industrial Tool Co.
Model Part Number OEM SKU DCB205-2
Individual Battery Part Number DCB205
Operating System Voltage 20 Volts MAX* (18 Volts Nominal)
Battery Charge Capacity 5.0 Amp-Hours (Ah) / 100 Watt-Hours (Wh)
Internal Chemistry Composition Lithium-Ion (Li-Ion)
Total Package Quantity 2 Batteries (Dual Pack)
Charge Status Display 3-LED Push Button State-of-Charge Fuel Gauge
Standard Fast Charge Time Approximately 90 Minutes (with standard fast charger)
Individual Battery Weight 1.42 lbs (0.64 kg)
Assembled Package Dimensions 9.00 in x 7.00 in x 3.75 in (228.6 mm x 177.8 mm x 95.3 mm)
Total Package Weight 2.95 lbs (1.34 kg)
System Tool Compatibility DEWALT® 20V MAX* Cordless Tools and Chargers

Pro-Tip: Check the 3-LED fuel gauge before starting continuous cuts in heavy timber; topping off packs at 1-bar indicator level prevents unexpected mid-pass stalling and extends total battery cycle life.