The Bosch® CORE18V® high power battery delivers 50% more runtime and over 75 percent more power than the CORE18V® 4 Ah battery, powering high-demand applications. The battery has Bosch®-exclusive CoolPack™ 2.0 technology to cool the battery faster and provide longer life. It weighs only 2.14 pounds, providing the ideal balance of size, weight, and power. It includes a charge-status indicator with high resolution for clear visibility of when the battery is ready to use. The battery is optimized to drive Bosch® PROFACTOR™ tools with BITURBO Brushless™ technology, for power comparable to the most demanding corded tools. The battery is compatible with Bosch® 18-volt chargers and the AMPShare™ system, a battery system designed to be multi-brand compatible across many cordless products to make managing your work day easier.