Solar Charge Controllers

The most important job of a solar charge controller or a charge regulator is to properly charge the batteries and to give them as long a life as possible. This solar component is the central component in a stand-alone solar panel system.

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Solar charge controllers and regulators diagram

The controller, as its name says controls the energy flow in the entire system and determines the system function and service life. This means that a suitable solar charge regulator must be selected carefully. The charge regulator only accounts for between 3 % and 5 % of the total cost of a stand-alone system, and yet it is the most important component. A high-quality, reliable charge controller in a higher price class pays for itself very quickly.  The controller increases the battery life and thus leads to a significant saving in system costs.

Additional functions of the controller

It makes sense to use solar charge regulator with additional functions in applications with stand-alone inverters or hybrid systems. The possibility of connecting to the stand-alone inverters for communication and synchronisation of the devices is a requirement for effective inverter systems or hybrid systems. Special energy management functions remain of key importance on hybrid systems.

Featured Charge Controllers in our DIY Store: Victron, Steca, Phocos, Morningstar on Sale!