The 12V fast charger Rapid charging speed for all 12 V batteries, enables loading 12V 3.0Ah batteries from 0 to 80% in 36 min Modern and compact design Compatible with all Bosch Professional 12V batteries (Flexible Power System) Technical data Battery charging voltage 10.8–12V Charge current 4.0A Charg. time at bat. cap. 1.5 Ah (80%/100%) approx. 16/30 min Charg. time at bat. cap. 2.0 Ah (80%/100%) approx. 24/35mins Charg. time at bat. cap. 3.0 Ah (80%/100%) approx. 36/50mins Charg. time at bat. cap. 4.0 Ah (80%/100%) approx. 48/65mins Charg. time at bat. cap. 6.0 Ah (80%/100%) approx. 72/95mins Weight 450g