12v Coolpack Starter Set 2.0AhFeatures & Benefits: GBA 12V 2.0Ah: Compact battery designed for the Bosch 12 V tool range GAL 12V-40: Rapid charging speed for all 12 V batteries. Charging 12V 2.0Ah batteries from 0 to 80% in 24 minTypical Application: Compatible with all Bosch Professional 12 V tools (Professional 12V System) 100% 12V and 10.8V compatible