This CORE18V PROFACTOR Endurance Starter Kit delivers the extended runtime and turbo charger speed necessary for tackling brutal applications. The CORE18V PROFACTOR Exclusive Battery is engineered exclusively for tools featuring BITURBO Brushless Technology, a high-performance motor and drive-train system designed to deliver power comparable to high-demand corded tools. This 12.0 Ah PROFACTOR Exclusive battery delivers at least 50 percent more runtime than the CORE18V 8.0 Ah PROFACTOR Performance Battery. At only 3.04 Lbs., this 12.0 Ah battery provides performance comparable to larger and heavier alternatives. The Exclusive Battery includes the latest 21700 cell technology and CoolPack 2.0 heat-management system for power and efficiency. The GAL18V-160C Hell-ion Battery Turbo Charger provides 16-amp charging power, twice the charging current of the previous generation 8-amp charger. Plus, active air-cooling, utilizing two fans to cool the battery, optimizes charging time while protecting batteries from overheating. It features a Power-Boost mode, which boosts electrical current charging CORE18V 4.0 Ah and CORE18V 8.0 Ah to 50 percent in the shortest time. Bluetooth connectivity, available via a Connectivity Module (sold separately) provides users access to the Bosch Toolbox App for battery health, charge level and additional charging modes. Together, the CORE18V PROFACTOR Exclusive battery and GAL18V-160C Hell-ion turbo charger are the ideal solution reducing downtime and increasing productivity for users tackling the most demanding and brutal applications.