Can work for the systome Module with 38 AH/220V, 65AH/110V ; control modules and relief units are used charged plug structure, installation, maintenance-friendly. Can be installed three 2.0 A/220V, 4.0A/110V natural cold module. Buck unit is automatically linked buck silicon features, the most current 2 A, impact of current 30 A/0.5S. Monitor using LCD display, button operation.