Starter Set 2 x GBA 12V 3.0Ah + GAL 12V-40, 2 x 12 V battery with 3.0 Ah capacity and fast charger, GBA 12V 3.0Ah: Higher battery capacity delivers 50% more runtime than the 12V 2.0 Ah Professional model, GAL 12V-40: Rapid charging speed for all 12 V batteries. Charging 12V 3.0Ah batteries from 0 to 80% in 36 min., Compatible with all Bosch Professional