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A. If the pump just need to work in sunshine.it can be directly connected to solar panels.there are two lead wires with the pump and you can directly connect them to the positive and negative electrodes of the solar panels.(pay more attention to the positive and negative electrodes,prohibit connected to the wrong)
B, If the pump also need to work during the night time or in cloudy and rainy day,controller and battery are also needed.( pay more attention to the positive and negative electrodes.Do not connected it the wrong way)
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