This solar charge controller can automatically control the operation of the solar panel and battery in the solar system. It is easy to set up and operate. This charge controller is for 12V / 24V. When installing, ensure that the battery has sufficient voltage so that the charge controller can detect the normal battery type.Install the charge controller as close as possible to the battery to avoid voltage drops due to excessively long cables.Caution: The solar charge controller should first connect the battery and then connect the solar panel and finally the load. 
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