MPPT charge controller, namely Maximum Power Point Tracking (MPPT), is a photovoltaic battery charging controller developed by independent technology. MPPT can improve the control accuracy compared with PWM controller. Moreover, the output power of solar energy panel can be increased by 5%-30%. MPPT lithium charge controller has a maximum charging current of up to 100A, which is the core control part of the whole photovoltaic power supply system. less