Overview: Based on common negative design and advanced MPPT control algorithm, with LCD displaying running status, this product is artistic, economical and practical. Improving the MPPT control algorithm further, Tracer AN series can minimize the maximum power point loss rate and loss time, quickly track the maximum power point of the PV array and obtain the maximum energy from solar modules under any conditions; and can increase the ratio of energy utilization in the solar system by 10%-30% compared with a PWM charging method. The limitation function of the charging power and current and reducingcharging power function automatic improve the stability which works even connecting oversize PV modules and in high temperature, and increase the professional protection chip for the communication port, further improving the reliability and meeting the different application requirements. Advanced MPPT technology, with efficiency no less than 99.5% Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time type: 40A Ultra-fast tracking speed and guaranteed tracking efficiency Wide MPP operating voltage range High quality components, perfecting system performance, with maximum conversion efficiency of 98% Accurate recognition and tracking of multiple-peaks maximum power point high quality and low failure rate, which can ensure the product's service life Charging power and current limitation function Compatible with lead-acid and lithium-ion batteries Battery temperature compensation function Real-time energy statistics function Overheating power reduction function Multiple load work modes The communication port adopts professional protection chip, which can provide 5VDC power supply, and has over-current and short-circuit protection. With RS-485 communication bus interface and Modbus communication protocol, it is a