The Bosch 18V CORE18V Li-ion 12.0 Ah PROFACTOR Exclusive Battery is engineered exclusively for tools featuring BITURBO brushless technology, a high-performance motor and drivetrain system designed to deliver power comparable to high-demand corded tools such as with PROFACTOR tools. It offers three layers of 21700 cells for greater battery efficiency and features Bosch's proprietary CoolPack 2.0 heat management system that cools the battery to provide a longer lifetime. For reduced resistance and increased efficiency, the battery includes copper end plates, power rails, and a flexible circuit board. Additionally, the 12.0 Ah battery weighs 3.04 lbs, has a charge status indicator, and is compatible with Bosch 18V Li-ion battery chargers.