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Prevent Overcharged
Batteries
Charge controllers or
voltage regulators protect batteries from
becoming overcharged, which can shorten
their lives as well as the lives of some
loads powered by. Electronic circuitry in
the regulator measures battery voltage,
which rises as the battery state of
charge increases.
At some voltage, which will
be different for different types of
batteries and at different temperatures,
the regulator will stop the charging of
the battery. When the charging stops, the
battery voltage begins to fall. At some
pre-set lower voltage, the regulator
allows the charging to resume.
Regulators for photovoltaic,
wind and water power systems perform the
same function as voltage regulators in
automobiles, but they do it in different
ways. Automotive regulators are not
suitable for use in remote power systems.
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