Max20-EU is a sort of solar charge controller 12V.
It means 12V/24V automatic recognition as well as 20A charge and discharge current.
MPPT Solar Controller, known as Maximum Power Point Tracking Solar Controller, is an evolutionary product evolved from the traditional solar charge and discharge controller. The so-called Maximum Power Point Tracking, means that the power voltage generated by the solar panel can be monitored by the solar controller in real-time, and the highest voltage and current value (VI) can be tracked at the same time. As a result, the highest charging efficiency can be achieved by the system. The issue of the household and industrial use of electricity in remote areas and tourist areas where conventional power grids do not normally cover can be effectively resolved without causing environmental pollution.
The performance of a solar cell module can be expressed by a V-I curve. The instantaneous output power (V*I) of the battery pack moves on this V-I curve. Without MPPT, the output power of the battery pack cannot reach the optimum (maximum) value under any circumstances, which results in the reduction of utilization of the solar cell module. The Maximum Power Point Tracking technology utilizes the power electronic devices with appropriate software to allow the battery components to generate maximum output power at all time.
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