Refurbished 30 Amp Charge ControllerAny solar panel that is rated 12 watts or higher requires the use of a solar charge controller to regulate the current and voltage going to the battery and prevent over charging. Pre set charging modes available for most commonbattery types Automatic recognition of 12V 24V battery system. Provides multiple load control mode options. Industrial grade design with reverse polarity protection. 5V 1A USB outlet provides charging for mobile devices. APP
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