BougeRV MPPT Solar Charge Controller 40A, w/ Low-Temp Cut-Off, APP Control, Back

Adopting quality aluminum heat sink, the battery regulator can dissipate heat better and minimize the power lost under full load working. ACTIVE SHIELD: Certified by CE and RoHS. With 6 protections, over-temperature, open-circuit, short-circuit, overload, polarity reverse prevention circuit, flow backward of current protections.