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

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