Bosch Standard 4ACharger Upgrade your E-bike battery charger and get back out on the trails sooner. The Bosch Standard 4A charger is nearly twice as fast as the Bosch Compact 2A charger and cuts charge times almost in half. The Standard 4A Charger is compatible with Bosch Active Line, Active Line Plus, Cargo Line, Performance Line and the Performance Line CX E-bike batteries. Features 4 amp charging current Almost twice as fast as compact 2A charger Compatible with Bosch Active Line, Active Line Plus, Cargo Line, Performance Line and the Performance Line CX Approximate charging times: 3. 5 hrs. for Power Pack and Power Tube 400; 4. 5 hrs. for Power Pack and Power Tube 500, 4. 9 hrs. for Power Tube 625 | Bosch | Standard Charger 4A