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Bosch GBA18V40 CORE18V Lithium-Ion 4.0 Ah Compact Battery, 18V

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Product details

Management number 204717493 Release Date 2025/10/21 List Price $58.50 Model Number 204717493
Category

The Bosch CORE18V Compact Battery is the next-gen Lithium-ion battery to keep the power and runtime, while losing the weight. The GBA18V40 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 the 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 battery 20% faster than previous 4.0 Ah double-layer versions.

  • Compact 18V Li-ion battery - 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 - engineered to improve performance in tools used on jobsite all day, plus CoolPack 2.0 heat management
  • Bosch-exclusive CoolPack 2.0 technology - cooling the battery 20% 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.

Specifications:

  • A-h Capacity: 4.0
  • Battery Chemistry: Lithium Ion
  • Battery Voltage: 18
  • Battery Watt Hours: 72.0Wh
  • Height: 1.85"
  • Length: 4.6"
  • Watts: 800.0
  • Width: 3.0"

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