The DCB205-2 is a 2-pack of DEWALT's 20V MAX* XR 5.0Ah lithium-ion batteries, providing two high-capacity packs for demanding cordless use. Each battery delivers 100 watt-hours at 5.0Ah, making the DCB205-2 a popular choice for tradespeople who run power-hungry tools like portable compressors, chainsaws, and large circular saws throughout the workday. Compatible with all DEWALT 20V MAX* tools and chargers, including 18V tools via adapter. Each battery weighs 1.54 lbs and charges in approximately 90 minutes. Both include LED fuel gauges. Each battery carries DEWALT's 3-year limited battery warranty.
Why buy the DCB205-2 2-pack instead of two individual DCB205 batteries?
The 2-pack provides better per-battery value and is sold as a bundle designed for continuous workflow. Reviewers who use high-draw tools for extended periods almost universally recommend having two batteries — one charging while the other runs.
How does the DCB205-2 perform on a portable air compressor?
Reviewers using the DCB205 with DEWALT portable air compressors report strong runtime for inflating tires, filling nail guns, and light air tool use. The 5Ah capacity makes it one of the most recommended pairings for the 20V MAX compressor.
Are the DCB205-2 batteries genuine DEWALT XR?
Yes, when purchased from authorized Amazon sellers. Reviewers confirm the DCB205 has the correct DEWALT XR labeling, build quality, and weight. The authentic batteries work with DEWALT chargers only — off-brand chargers will not charge them.
What is the difference between the DCB205-2 and the newer DCBP520-2 POWERSTACK 2-pack?
The DCBP520-2 uses POWERSTACK pouch cell technology for more instantaneous power and 2X the cycle life. The DCB205-2 uses traditional XR cylindrical cells and is typically less expensive. For most users the DCB205-2 delivers excellent runtime; the POWERSTACK is the premium upgrade for more power and longer battery lifespan.
Can the DCB205 batteries be used with 18V DEWALT tools?
Yes, with a DEWALT DCA1820 18V-to-20V adapter. Reviewers confirm 20V MAX batteries including the DCB205 work with 18V DEWALT tools when the adapter is used.
# DEWALT® 20V MAX* XR® 5.0Ah Battery, 2-Pack **Model:** `DCB205-2` **Brand:** DEWALT **Category:** Battery > The DCB205-2 is a 2-pack of DEWALT's 20V MAX* XR 5.0Ah lithium-ion batteries, providing two high-capacity packs for demanding cordless use. Each battery delivers 100 watt-hours at 5.0Ah, making the DCB205-2 a popular choice for tradespeople who run power-hungry tools like portable compressors, chainsaws, and large circular saws throughout the workday. Compatible with all DEWALT 20V MAX* tools and chargers, including 18V tools via adapter. Each battery weighs 1.54 lbs and charges in approximately 90 minutes. Both include LED fuel gauges. Each battery carries DEWALT's 3-year limited battery warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Lithium Ion Battery 2-Pack | | Voltage (V) | 20 | | Amp Hours Ah | 5 | | Watt Hours | 100 | | Battery Platform | 20V MAX* XR® | | Cell Technology | Li-Ion | | Compatible Platforms | 20V MAX*, 20V MAX* XR®, 20V MAX* ATOMIC™ | | Weight (lbs) | 1.54 | | Country of Origin | South Korea | | Power Source | Battery | | Batteries Included | 2 | | Charger Included | No | | Piece Count | 2 | | Charge Time Min | 90 | | Warranty | 3-year limited (battery) | ## What's Included - (2) DCB205 20V MAX* XR® 5.0Ah Batteries Source: https://www.jaspecs.com/dewalt/battery/dcb205-2-dewalt-20v-max-xr-5ah-battery-2-pack/