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solar charge controller

Solar Charge Controller – Why Do I Need It?

Here’s another guide on solar panel installation.

solarchargecontSolar Charge Controller – how important is this product to your solar power system.

A charge controller or solar charge regulator is basically a voltage and/or current regulator to keep batteries from overcharging. It regulates the voltage and the current coming from the solar panels going to the battery. Most “12 volt” solar panels give out about 16 to 20 volts, so if there is no regulation the batteries will be overcharged and that in turn will damage your battery. Most batteries need around 14 to 14.5 volts to get fully charged.

There are times that solar charge controller are not needed if you have a small maintenance solar power system or solar panels, example are the 1 watt to 5 watts solar panels.   A rough rule is that if the panel puts out about 2 watts or less for each… Continue reading