Compact: Due to its modern design it is very compact With 4 A charging current it charges the GBA 18V 4.0 Ah battery up to 80% in only 48 minutes, GBA 18V 2.0 Ah up to 80% in 24 minutes Professional 18V System: 100% compatible with all Bosch Professional 18 V batteries AMPShare: Batteries and chargers are fully compatible with the Bosch Professional 18V System as well as many other tools from brands in the AMPShare battery partnership Item Included: GAL 18V-40 quick charger, Weight: 1.6314207388 Pounds, Manufacturer: Bosch Professional