Walmeck 200W/300W/400W (Optional) MPPT Step-down Real-time Tracking Solar Battery Recharging Controller LED Display 10~30V Output Voltage Adjustable Dustproof Liquidproof

With the display to show the input and output current and voltage; you can see the data more clearly. The output voltage can be adjust between 10~30V; you can choose the suitable for your needs. Suitabe for the le-ad-acid; lithium-ion and other batteries in line with 10~30V recharging voltage. Efficient real-time tracking function; give you a better using experience. Overheat pro-tection function: When the internal ambient of the controller exceeds 100℃; the output power of