The Bosch CORE18V 4.0 Ah Compact Battery is designed 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. The battery is a truly flexible power system providing compatibility with a full range of Bosch 18V Li-ion cordless tools. The GBA18V40 is engineered with 21700 cell technology, matching the power from the original two-layer 4.0 Ah battery with improved performance per cell. The Bosch-exclusive CoolPack 2.0 heat-management system results in 15% faster cooling and 135% longer life compared to previous non-Bosch CoolPack 18V batteries.
BENEFITS
Compact 4.0 Ah battery – delivers 2X the runtime compared to previous generation BAT612 2.0 Ah battery
Compact power – lightweight, compact solution
High-power Li-ion cells – feature a single layer of enhanced 21700 cells for greater battery efficiency
Bosch-exclusive CoolPack 2.0 technology – cools the battery 15% faster and provides 135% longer lifetime compared to non-CoolPack Bosch 18V Lithium-ion batteries
Cutting-edge battery design – includes copper end plates, power rails and a flexible circuit board for reduced resistance and increased efficiency
Weighs only 1.10 Lbs. – 4.0 Ah Compact battery provides performance comparable to much heavier batteries
