... less to ensure personal safety, usually 12V, 24V, 36V or 48V battery, DC-50H series of wide input voltage ... :solar ,load,batteryLCD(option):Battery voltage ,Battery charge current,Load currentLED:solar ,load, battery,AlarmCommunication Interface(option)RS232Conversion efficiency97 ... C~50°COperation humidity0~90% RHConnectionJunction end:Solar,Battery,Loadsize(H×W×D)47×175×112mm350×180×140mmweight0 ...