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Bosch 18 V 4.0 Ah Compact Battery

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Bosch 18 V 4.0 Ah Compact Battery

Item # 1638124

Bosch Bosch 18 V 4.0 Ah Compact Battery
Bosch Bosch 18 V 4.0 Ah Compact Battery
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Bosch 18 V 4.0 Ah Compact Battery

Item # 1638124

Bosch Bosch 18 V 4.0 Ah Compact Battery
Bosch Bosch 18 V 4.0 Ah Compact Battery
Add a protection plan
Powersport plans are not available in CA.

The Bosch CORE18 V 4.0 Ah Compact Battery is the next-gen Lithium-ion battery you owe it to yourself and your tools to buy. The single-layer battery 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. Engineered with 21700 cell technology, the battery matches the power from the original two-layer 4.0 Ah battery with improved performance per cell. Bosch engineered its exclusive CoolPack 2.0 technology to manage the heat of the higher power-density cells, and it provides better cooling than the previous-generation CoolPack system. CoolPack 2.0 cools the compact battery 15% faster than previous 4.0 Ah double-layer versions.

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

Looking for more information on tools? Check out our guide on essential woodworking power tools in the product documents section.

  • Compact 18V Li-ion battery is engineered to provide next-gen power and runtime, while losing the weight, for optimized performance
  • High-power cells use enhanced 21700 cell technology, combined with advanced battery design for greater efficiency
  • Cutting-edge cell design means this compact battery is engineered to improve performance in tools used on jobsite all day, plus CoolPack 2.0 heat management
  • Bosch-exclusive CoolPack 2.0 technology cools the battery 15% faster than previous 4.0 Ah double-layer versions
  • Lightest high-power battery weighs only 1.15 lb, but provides performance comparable to much heavier batteries
  • Features a high-resolution charge-status indicator for your convenience