Mt350 solar rv regulator dedicated to rv, ship, sailing and other outdoor solar power system. Automatically adapt to 12v and 24v systems. Dual rechargeable solar controller can charge two batteries at the same time, suitable for lead-acid, gel, lithium battery. Using mppt charging method, with high precision temperature compensation. Overcharge, electronic short circuit, overload protection, anti-reverse protection and other unique automatic protection control, the above protection are not damaged any part.