4Amp Transformer Battery 9Ah Battery 9Ah PCB Size A PCB Size B PCB Size C PCB Size B 4Amp Transformer Battery 9Ah Battery 9Ah PCB Size A PCB Size C 3Amp Transformer PCB Size C PCB Size C PCB Size C PCB Size C Battery 9Ah Battery 9Ah PCB Size B PCB Size C PCB Size B Battery 9Ah Battery 9Ah 4Amp Transformer 3Amp Transformer PCB Size B PCB Size B PCB Size B PCB Size B PCB Size B PCB Size B 8Amp PSU Rack Enclosure LAYOUT OPTIONS