INTRODUCING THE CORE18V 4.0 Ah BATTERY

KEEP THE POWER
LOSE THE WEIGHT¹

Engineered with 21700 cell technology, the NEW CORE18V 4.0 Ah battery matches the power from the original two-layer 4.0 Ah battery with improved performance per cell.

TRADITIONAL BATTERY:

Double-Layer – 10 Cells

 800 Watts of Power

CORE18V 4.0 Ah BATTERY:

Full Performance of a Double-Layer Battery in a Single Layer – 5 cells. Lightweight and compact – 1.10 lbs.

800 Watts of Power

TRADITIONAL BATTERY:

Double-Layer – 10 Cells

 800 Watts of Power

CORE18V 4.0 Ah BATTERY:

Full Performance of a Double-Layer Battery in a Single Layer – 5 cells. Lightweight and compact – 1.10 lbs.

800 Watts of Power

BIGGER IS NOT BETTER!

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CORE18V 4.0 Ah PRODUCT FEATURES
The Bosch CORE18V 4.0 Ah Compact Battery is the next-gen Li-ion single-layer battery that features advancements in design to reduce resistance and increase efficiency, to improve the performance-to-weight ratio of tools used on the jobsite all day.
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ADVANCED BATTERY DESIGN

ADVANCED 
BATTERY DESIGN
The most innovative battery design on the market. The battery yields more power, has better heat management and is 100% tool and charger compatible.

Copper end plates, welded cell connectors and power rails in the CORE18V provide reduced resistance and greater efficiency.

COOLER THAN COOL

%

FASTER COOLING*

Heat is the natural enemy of batteries; Bosch engineered the exclusive CoolPack 2.0 technology to manage the heat of the higher power-density cells. Designed to transfer more heat to the battery’s outer surface.
MADE TO MANEUVER

%

LESS WEIGHT*

%

MORE COMPACT*

The single-layer compact battery delivers the runtime and power you need, at 1.10 Lbs. With cutting-edge engineering, this high-powered battery features five advanced cells that provide ample power for tools that are used on the jobsite all day.

Bosch CORE18V 4.0 Ah GBA18V40 vs. DeWalt® DCB204BT, Milwaukee® 48-11-1840 and Makita® BL1840B
Bosch CORE18V 4.0 Ah GBA18V40 vs. Bosch BAT620

CORE18V 4.0 Ah PRODUCT LINEUP

GBA18V40

CORE18V 18V Lithium-Ion 4.0 Ah Compact Battery

BUY NOW

GSB18V-535CB15

18V EC Brushless Connected-Ready Compact Tough 1/2 In. Hammer Drill/Driver with (1) CORE18V 4.0 Ah Compact Battery

BUY NOW

CORE18V 4.0Ah PRODUCT LINEUP

GBA18V40

CORE18V 18V Lithium-Ion 4.0 Ah Compact Battery

BUY NOW

GSB18V-535CB15

18V EC Brushless Connected-Ready Compact Tough 1/2 In. Hammer Drill/Driver with (1) CORE18V 4.0 Ah Compact Battery

BUY NOW

CORE18V 4.0Ah PRODUCT LINEUP

GBA18V40

CORE18V 18V Lithium-Ion 4.0 Ah Compact Battery

BUY NOW

GSB18V-535CB15

18V EC Brushless Connected-Ready Compact Tough 1/2 In. Hammer Drill/Driver with (1) CORE18V 4.0 Ah Compact Battery

BUY NOW
¹ vs Leading Power Tool Competitors.
* 21700 cell technology vs. 18650 cell technology.