DeWalt DCB609 vs DCB612: FLEXVOLT capacity and fit
Compare the 9Ah DCB609 and 12Ah DCB612 without confusing stated capacity, package size, tool compatibility, or guaranteed runtime.
DeWalt · US market
A direction-sensitive battery relationship: official FLEXVOLT batteries switch voltage and can power documented 20V, 60V and 120V MAX tools.
| Marketing label | 20V/60V MAX |
|---|---|
| Nominal voltage | 18V/54V |
| Aliases | FLEXVOLT, 60V MAX |
| Market | United States |
Guides
Source-backed guides to battery systems, exact model differences, chargers, kit contents, and compatibility boundaries.
Compare the 9Ah DCB609 and 12Ah DCB612 without confusing stated capacity, package size, tool compatibility, or guaranteed runtime.
Understand DeWalt's documented dual-voltage relationship, what automatically switches, and why exact tool, charger, and package checks still matter.
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Compare DeWalt's DCB115 and fan-cooled 8A DCB118 by supported packs and documented features, without promising universal charge times.
Separate battery-system voltage from capacity, compare labels correctly, and avoid turning amp-hour ratios into unsupported runtime promises.
Match the exact battery platform, model and charging workflow before comparing standard, rapid, sequential and simultaneous chargers.
Representative records
60V MAX brushless circular saw with a 7-1/4-inch blade, electronic brake and 5,800 RPM no-load speed. It requires a FLEXVOLT 20V/60V MAX battery. The B package is the bare tool and excludes a battery and charger.
Add to comparisonDeWalt · tool
60V MAX brushless reciprocating saw for demolition cutting, with a 1-1/8-inch stroke and variable speed up to 3,000 strokes per minute. It requires a FLEXVOLT 20V/60V MAX battery; standard 20V-only packs do not satisfy that requirement. Battery and charger are excluded.
Add to comparison60V MAX rear-handle, worm-drive-style circular saw with a left-side blade, electronic brake and 53-degree bevel capacity. Requires a FLEXVOLT battery. Battery and charger are sold separately.
Add to comparisonSingle-battery 60V MAX sliding miter saw with dual bevel adjustment, cut-line indication and regenerative braking. Uses one FLEXVOLT pack, unlike two-battery 120V models. Battery and charger are sold separately.
Add to comparison60V MAX angle grinder for 4-1/2 to 6-inch wheels. Includes a kickback brake and E-CLUTCH bind-up response; requires FLEXVOLT power. Battery and charger are sold separately.
Add to comparison60V MAX string trimmer with attachment-capable drive and a 17-inch cutting swath. Additional attachments are separate products; a standard 20V pack cannot power it. Battery and charger are sold separately.
Add to comparison60V MAX axial blower rated up to 600 CFM and 125 mph. A variable-speed trigger and speed lock control output from a FLEXVOLT battery. Battery and charger are sold separately.
Add to comparison60V MAX chainsaw with a 20-inch bar, chain brake and automatic oiling. The advertised peak horsepower uses DCB615, which is not included; performance depends on the battery. Battery and charger are sold separately.
Add to comparison60V MAX in-line stud and joist drill for large drilling applications. Its keyed chuck and E-CLUTCH bind-up response serve a different role from a compact drill/driver. Battery and charger are sold separately.
Add to comparison60V MAX SDS MAX rotary hammer with 6.1-joule impact energy for concrete drilling and chipping. Uses SDS MAX accessories and a FLEXVOLT battery. Battery and charger are sold separately.
Add to comparisonDeWalt · battery
FLEXVOLT battery that switches between compatible 20V MAX and 60V MAX tools. Its capacity is 9Ah in 20V mode and 3Ah in 60V mode, not 9Ah at both voltages. This record is the standard single DCB609 pack, not DCB609G.
Add to comparisonDeWalt · battery
Voltage-switching FLEXVOLT battery officially documented for 20V, 60V and 120V MAX tools and all 20V MAX chargers.
Add to comparisonDeWalt · battery
Single FLEXVOLT pack rated 6Ah in 20V MAX mode. Automatically switches voltage for documented 20V MAX and 60V MAX tools; this is not a standard 20V-only battery.
Add to comparisonDeWalt · battery
Single high-capacity FLEXVOLT pack rated 15Ah in 20V MAX mode. Supports documented 20V MAX and 60V MAX tools; check the larger pack dimensions for the intended setup.
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