1.4. MPPT Technology Introductions
The Maximum Power Point Tracking (MPPT for short) system is an advanced
charging technology that enables the solar panel to output more energy by adjusting
operating conditions of the electrical module. Due to non-linear characteristics of
solar array, there is maximum energy output point (maximum power point) of an
array on its curve. Traditional controller (switch charging technology and PWM
charging technology) fails to maintain battery charging at this point, and therefore
the maximum energy of the solar panel cannot be obtained. The solar charge
controller with MPPT control technology, however, can track the array's maximum
power point at all time to obtain the maximum energy to charge the battery.
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