ProCORE18V 12.0Ah Battery Pack. The ProCORE18V 12.0Ah Professional delivers exceptional and consistent performance. It is the battery with the highest power and longest runtime within the ProCORE18V range. It offers the highest 18-volt battery capacity on the market and provides the same power as a 1,800-watt corded device for applications that require maximum endurance and performance. For added flexibility, it is compatible with all new and existing Bosch Professional 18-volt tools and chargers (Professional 18V System). To ensure superior heat dissipation from the battery, it also features COOLPACK 2.0 technology. Since heat can damage the cells, COOLPACK 2.0 technology ensures an impressive 135% longer battery life compared to standard batteries, allowing for longer operating times. The ProCORE18V 12.0Ah Professional is a lithium-ion battery with a charge level indicator. Box; 1 x ProCORE18V 12.0Ah battery.