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In the solar power photovoltaic system, it mainly composed by photovoltaic modules, battery, solar charge controller and appliance. In the photovoltaic system solar controller is the most important part. Although the cost of solar controller is only a little part of the solar power photovoltaic system. but the correct choose of solar charge controller can largely optimization the system.
At present, the mainly popular controller in market include ordinary solar controller, PWM solar charge controller and the MPPT solar charge controller. the Ordinary solar controller is the first generation of technology, because of battery internal resistance factors, it is difficult to charge the battery full. And can’t 100% transfer the power from solar panel. the tracking efficiency is only 70% ~76%. hence it has been eliminated by the market.
PWM solar controller was been widely used, MPPT solar charge controller is the current trend, hence more and more people need make choice between PWM solar controller and MPPT controller.
Hanfong new energy is a big charge controller suppliers had gain great reputation in Chile and Italy market.