Features: -With a large LCD display, it displays battery operating status, solar panel operating status, mode control, load output status and all parameters, normal and error status. -There are 7 operation modes: charging mode, light control mode, light control+time delay control mode, general control mode, manual control mode, time control mode and test mode. The test mode is intended for factory test use only. -With 4 kinds of voltages, automatic identification, DC 12V, DC 24V, DC 36V, DC 48V are automatically identified. .
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