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

Automatically detect 12V or 24V DC system voltages innovative mppt technology with High tracking efficiency up to 99% and peak. Conversion efficiency of 98%. Die-cast aluminum design for heat dissipation and the capability of measuring the battery's temperature and remote monitoring. Customizable charging voltages. Charges over-discharged Lithium-Ion batteries. Error code detection for easy self diagnoses. Compatible with various deep cycle battery options: Sealed, gel, Flooded, and lithium. Electronic protection: overcharging, over-discharging, overload, and short circuit. Reverse protection: any combination of solar module and Battery, without causing damage to any component. 4-Stage charging: bulk, boost, Float, and equalization and LCD screen with programmable charging parameters. Rs232 port allows the Rover to communicate with the bt-1 Bluetooth module(Not included), which can pair with the Renogy DC Home Smart phone app. Please feel free to contact us if you have any questions about our products. We will provide the best customer service and solution.