DuoRacer Series MPPT Dual Battery Solar Charge Controller (10-30A) by Epever

EPever’s DuoRacer solar charge controller is the perfect way to keep two batteries in your solar system charged up at all times. With support for multiple battery types, including sealed, gel, and flooded lead-acid batteries, as well as LiFePO4 and Li-ion batteries, this controller can handle just about any application. And since it automatically recognizes the start voltage of your battery system, there’s no need to worry about overcharging or damaging your batteries. Just set it and forget it – the DuoRacer will take care of everything.