Renogy 30A MPPT Charge Controller with Bluetooth, 30 Amp 12V/24V Solar Auto Parameter Adjustable LCD Display Panel Regulator for Gel Sealed Flooded and Lithium Battery

Featuring innovative MPPT (maximum power point tracking) technology with high tracking efficiency up to 99%; maximizing the energy from solar panels to charge your system. 4-stage charging (Bulk; Boost; Float; and Equalization) and temperature compensation increase your battery life and improve your system's performance. LCD screen and multiple LED indicators for displaying system operation information; customizable parameters; and error codes. RS232 port allows the Rover to communicate with the BT-1 Bluetooth module; which can pair with the Renogy DC HOME smartphone app. Intelligent protection built-in against reverse polarity; overcharging; over-discharging; overload; short-circuiting; and reverse current. Please feel free to contact us if you have any questions about our products. We will provide the best customer service and solution.