In the solar off-grid system, the role of the photovoltaic controller is to convert the electricity from the photovoltaic components and store it in the battery. In addition, it also has the functions of protecting the battery and preventing the battery from overcharging. At present, the controller mainly has two technical routes: pulse width debugging (PWM) mode and maximum power point tracking (MPPT) mode. Each method has its advantages and disadvantages, which can be selected according to different scenarios.

Photovoltaic power generation system refers to a power generation system that directly converts light energy into electrical energy without going through a thermal process. Its main components are solar cell modules (referred to as photovoltaic modules), batteries, controllers and inverters. It is characterized by high reliability, long service life, no environmental pollution, independent power generation and grid-connected operation.

Among them, photovoltaic modules are responsible for converting light energy into electrical energy, so maximizing the use of the electrical energy generated by photovoltaic modules is the key to effectively improving the power generation of photovoltaic lifting systems. The MPPT controller came into being.

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80a mppt charge controller mppt 60a solar charge controller solar system off grid solar mppt