Renogy Rover LI 40 AMP MPPT SOLAR Charge ControllerMeet the newly redesigned 40A Rover MPPT Charge Controller. This smart charge controller is capable of conveniently self diagnosing itself in the event of an error and can be used with the Bluetooth Module, Renogy BT 1. By pairing the Rover with the BT 1 and the Renogy BT app through Bluetooth, users can monitor and adjust their solar system straight from their phones. The Rover was also built tough with a die cast aluminum exterior which allows for