Battery pack GBA 18V 2.0Ah. The GBA 18V 2.0Ah Professional battery is a lightweight battery from Bosch's 18-volt class. Its lightweight design allows for comfortable working, especially when using drill drivers. This model also features COOLPACK 1.0 technology for better heat dissipation from the inside to the outside of the battery. Since heat can damage the cells, the COOLPACK technology ensures a longer battery life and enables longer operating times. Compatible with all Bosch Professional 18-volt tools and chargers (Professional 18V System). The GBA 18V 2.0Ah Professional is a lithium-ion battery with a battery charge level indicator. Box; 1 x GBA 18V 2.0Ah battery.