DC12V Voltage Detection Battery Charging Discharge Monitor Relay Switch Module
4,74 €
H-3 pull-in outside the interval. H-4 is closed in the interval. 7 Long press-turn off or turn on the digital tube to display the energy-saving mode. F03 working mode not set state. Long press SET to select F03 work mode selection, + and-to select the required function, then long press SET to save and exit.
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