Bosch® 18-Volt 4 Amp-Hour; Lithium Power Tool Battery Kit (Charger Included)

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Product details

Management number	205189248	Release Date	2025/10/22	List Price	$355.20	Model Number	205189248
Category	Electrical Batteries Power Tool Batteries & Chargers

The Bosch GXS18V-15N15 CORE18V Compact Starter Kit delivers next-gen battery performance and a charger. The CORE18V Compact Battery is the next-gen Lithium-ion battery to keep the power and runtime, while losing the weight. Engineered with 21700 cell technology, the GBA18V40 single-layer battery matches the power from the original two-layer 4.0 Ah battery with improved performance per cell. The Bosch GAL18V-40 charger can completely charge a discharged CORE18V 4.0 Ah battery to 80% in 48 minutes and to a full charge in about an hour. This dual-stage charger charges the first 80% in standard charging mode and the remaining 20% in long-life mode getting users back to work quickly. It features charging indicator lights showing when the battery is in standard mode, long-life mode or finished charging. The battery provides exclusive CoolPack 2.0 technology to manage the heat of the higher power-density cells, and it provides better cooling than the previous 4.0 Ah double-layer versions.

Compact 18V battery – provides next-gen power and runtime, while losing the weight, for tools used on the jobsite all day
Charging convenience – allows users to charge a Bosch 18V 4.0 Ah battery to 80% in 48 minutes or to 100% in about an hour
High-power cells – use enhanced 21700 cell technology, combined with advanced design, to produce higher power for a longer time
Cutting-edge cell design – engineered to improve performance in tools used on the jobsite all day
Bosch-exclusive CoolPack 2.0 technology – cooling the battery 15% faster than previous versions
Lightest high-power battery – weighs only 1.15 Lbs., but provides performance comparable to much heavier batteries
Battery-status indicator – provides indication if charger is in standard-charging mode, long-life mode or when charging is complete