Tomshoo 200W/300W/400W (Optional) Mppt Step-Down Real-Time Tracking Solar Battery Recharging Controller Led Display 10~30V Output Voltage Adjustable Dustproof Waterproof

with the LED 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 MPPT real-time tracking function, give you a better using experience. Overheat pro-tection function: When the internal ambient temperature of the MPPT controlle