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A charge controller is an important part of power systems that moderates the level of energy entering and leaving your batteries. While the right charge controller will protect your batteries from overcharge and excessive discharge, any charge controller will ensure its base function: to maximize the lifetime of your energy storage.
Your perfect charge controller is closer than you think, but many options exist to suit your particular needs. Some base criteria for selecting a charge controller are as follows:
A solar charge controller should be able to handle the rated current of all the panels combined.
With so many options on the market, consider your preferences and requirements before purchasing!
MPPT charge controllers maximize the effiiency of the power transfer from solar panels to the battery through use of Maximum Power Point Tracking (MPPT). An MPPT charge controller constantly seeks the maximum power point on your solar panel to transfer its energy.
A Diversion Load Controller monitors your battery voltage and limits its maximum value by diverting some of that energy into loads.
When used in combination with solar PV panels, a diode is inserted between the solar panel and the battery bank eliminating discharge power in the evening. Most Diversion Load Controllers use a resistor to dissipate the excess energy in the form of heat, or, in some cases, the energy is placed into an onboard hot-water tank.
If you need further assistance finding your perfect charge controller, feel free to contact us and any of our knowledgable salespersons will be happy to assist you!