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What factors should be considered in the purchase of solar charge and discharge controllers

What factors should be considered in the purchase of solar charge and discharge controllers

(Summary description)There are many types of solar controllers on the market with different functions and functions. Each company does not have a unified manufacturing standard.

What factors should be considered in the purchase of solar charge and discharge controllers

(Summary description)There are many types of solar controllers on the market with different functions and functions. Each company does not have a unified manufacturing standard.

Information

There are many types of solar controllers on the market with different functions and functions. Each company does not have a unified manufacturing standard. When customers do not know the characteristics of the controller, it is easy to choose the wrong model. For example, I want to use a controller for solar street lights, but I purchased a solar system controller with constant output. What factors should be considered in the purchase of solar charge and discharge controllers?

mppt solar controller products

   1. Use occasions

Solar controllers are mainly divided into two categories according to their functions: solar street light controllers and solar system controllers. The main difference is that the load output of the solar street light controller has a time control function, which can arbitrarily adjust the load working time. The load output of the solar system controller is normally open (some with manual switches), and the working time controller is not controllable. It is generally applicable to household power generation systems, and the load working time is determined by the user. So when you choose a controller, first decide whether to use a street light controller or a power generation system controller

   2. Charging technology

Solar controller technology is divided into PWM and MPPT. MPPT technology has high charging efficiency and high cost. In some important occasions, or when the power of the solar panel is limited, the controller of MPPT technology is preferred. At present, the controller of PWM technology is the mainstream

   3. System voltage

The system voltage refers to whether your entire system battery chooses 12V, 24V, or 48V. You need to determine whether the solar controller you choose can meet the system voltage.

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