Renogy Rover 40 Amp 12V/24V DC Input MPPT Solar Charge Controller<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The controller features a smart tracking algorithm that maximizes the energy from the solar PV module(s) and charge the battery.</li><li>The comprehensive self-diagnostics and electronic protection functions can prevent damage from installation mistakes or system faults.</li><li>Innovative MPPT technology with high tracking efficiency up to 99% and peak conversion efficiency of 97%.</li><li>Reverse protection: Any combination of solar module and battery， without causing damage to any component.</li><li>The low voltage disconnect function (LVD) will prevent the battery from over discharging.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41OF1DJqpUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31u9uSRhPdL.jpg" noproxy>