... function for batteriesB) Intelligentized central monitor ( include insulation, battery monitoring)C) High reliability, long life, maintenance-free4 ... (German ABB original).B) Storage battery: Sealed lead-acid battery, lead-acid battery, nickel-cadmium battery, etc.C) DC feeder: ... color LCD human- machine interface, monitoring devices for battery and insulation. CE Approved High Voltage DC Power Supply ...