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Overview

The Bosch GBA18V40 CORE18V Lithium-Ion Battery is a compact yet powerful 18 V, 4 Ah rechargeable battery, delivering 72 Wh of energy. Built with advanced 21700 lithium-ion cells, it offers up to 2× the runtime and 60% more power than Bosch’s previous 2 Ah models, while keeping its form factor small.

BOSCH GBA18V40 CORE18V Lithium-Ion Battery

Brand: Bosch
Model: GBA18V40
Web Code: 19395210
Sold and shipped by | 4.5 seller rating (45 reviews)

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Warranty

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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

• 18V Lithium-Ion battery with 4.0 Ah capacity (72 Wh)

• Uses advanced 21700 cell technology for increased energy density

• Provides up to 2× more runtime and 60% more power than Bosch 2.0 Ah batteries

• Compact and lightweight design—weighs only 1.1 lbs for reduced user fatigue

• Integrated high-resolution charge status indicator for precise battery monitoring

• Compatible with all Bosch 18V tools and chargers

• Ideal for high-demand applications like drilling, sawing, and grinding

• Rugged housing designed for durability on tough jobsites

Product Condition
Brand New

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
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Product Category
Batteries
Return/Exchange Period
30 days
Condition
Unopened

Consumable Product cannot be returned if opened

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