[{"text_idx": "#000002", "text": "pump controller 48V 400A SX, used"}, {"text_idx": "#000003", "text": "pump control HPRC 48V 350A used"}, {"text_idx": "#000004", "text": "AC2 controller 48V Nacco used"}, {"text_idx": "#000007", "text": "Converter 12V output galvanically isolated\nConverters 24V output galvanically isolated"}]