The DCB609 is DEWALT's 9.0Ah FLEXVOLT battery, automatically switching between 60V MAX for high-power cordless tools and 20V MAX for the full 20V ecosystem. At 9.0Ah in 20V mode (3.0Ah at 60V), it delivers up to 6X the runtime of the standard 1.5Ah 20V MAX pack. Designed for heavy-duty applications including miter saws, table saws, circular saws, and leaf blowers, the DCB609 is also compatible with 120V MAX systems using two batteries in tandem. It includes a 3-LED fuel gauge, and the dual-voltage design makes it the most versatile battery in DEWALT's lineup. Covered by DEWALT's 3-year limited battery warranty.
How does FLEXVOLT dual-voltage work on the DCB609?
The DCB609 automatically senses whether it is installed in a 20V MAX or 60V MAX tool and switches voltage accordingly. In 20V tools you get 9.0Ah capacity; in 60V tools you get 3.0Ah at the higher voltage. No switches or settings are required — the battery adapts automatically.
What 60V MAX tools work with the DCB609?
The DCB609 is compatible with DEWALT's full 60V MAX FLEXVOLT lineup including 7-1/4-in circular saws, reciprocating saws, miter saws, table saws, chainsaws, leaf blowers, and more. It also works in 120V MAX systems using two batteries paired together.
Is the DCB609 worth the premium over a standard 20V MAX 6Ah battery?
Reviewers who own 60V MAX tools say the DCB609 is essential, as it is the primary power source for that tool class. For users with only 20V MAX tools, the DCB606 6Ah FLEXVOLT or DCB210 10Ah may offer better value, but the DCB609 provides the most flexible upgrade path if you plan to add 60V tools.
How does the DCB609 perform on a cordless circular saw all day?
Reviewers using the DCB609 in 60V MAX circular saws report handling extensive cutting all day on a single charge during normal use. One reviewer reported cutting through a full day of framing lumber without needing a recharge. Runtime naturally varies with material and cut volume.
Does the DCB609 work in 20V MAX outdoor equipment like mowers?
Yes. In 20V mode, the DCB609 delivers 9.0Ah which provides excellent runtime on DEWALT 20V MAX outdoor equipment. It is compatible with mowers, chainsaws, and blowers as a high-capacity backup alongside dedicated 20V high-capacity packs.
# DEWALT® FLEXVOLT® 20V/60V MAX* 9.0Ah Battery **Model:** `DCB609` **Brand:** DEWALT **Category:** Battery > The DCB609 is DEWALT's 9.0Ah FLEXVOLT battery, automatically switching between 60V MAX for high-power cordless tools and 20V MAX for the full 20V ecosystem. At 9.0Ah in 20V mode (3.0Ah at 60V), it delivers up to 6X the runtime of the standard 1.5Ah 20V MAX pack. Designed for heavy-duty applications including miter saws, table saws, circular saws, and leaf blowers, the DCB609 is also compatible with 120V MAX systems using two batteries in tandem. It includes a 3-LED fuel gauge, and the dual-voltage design makes it the most versatile battery in DEWALT's lineup. Covered by DEWALT's 3-year limited battery warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Battery | | Voltage (V) | 60 | | Amp Hours Ah | 9 | | Battery Platform | FLEXVOLT® 60V MAX* / 20V MAX* | | Cell Technology | Li-Ion | | Compatible Platforms | 20V MAX*, 20V MAX* XR®, 60V MAX* FLEXVOLT®, 120V MAX* FLEXVOLT® | | Weight (lbs) | 3.5 | | Country of Origin | South Korea | | Power Source | Battery | | Batteries Included | 1 | | Charger Included | No | | Piece Count | 1 | | Warranty | 3-year limited (battery) | ## What's Included - (1) DCB609 FLEXVOLT® 20V/60V MAX* 9.0Ah Battery Source: https://www.jaspecs.com/dewalt/battery/dcb609-dewalt-flexvolt-60v-max-9ah-battery/