Here are our golf car batteries for our off-grid solar
systems battery bank. You can use different kinds of batteries. There are much
more sophisticated battery bank, but they are much more expensive so we choose just
to get golf cart batteries for our battery charging circuit. Some of them are
even recycled from someone who didn't need them any more. One of these
batteries is about fifty-five dollars. Why do we use golf cart batteries in our
battery bank? A golf cart battery is a deep cycle battery. That means it can
store a lot of energy but it's not able to give it away in a short moment. In a
car you have a battery that needs full power when you turn your key. In a golf
cart battery you want to have a battery that you can drive for a long time. The
same idea we have here because we want to store the electricity we get in our
battery bank for as long as possible because we never know when the sun is
shining or when the wind is blowing. Remember the more batteries you have in
your battery bank the more storage you have for your off-grid solar systems.
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