Advanced MPPT maximum power point tracking technology, the maximum tracking efficiency is 98%, which can save the energy of the panel and reduce the cost of the panel. The 4 digital tube of this machine has the functions of real-time display of battery board voltage, charging current, battery voltage, etc., which is convenient for clear display of charging status. And this product allows customers to freely set battery voltage and charging parameters. the wide PV array maximum power point operating voltage range of 12V-50V. Directly display the design with each parameter, dynamically display the operating data and working status of the device, battery board voltage, charging current, battery voltage, etc. This product supports customers to manually set the battery voltage and charging parameters through buttons. It can be applied to a variety of battery types, such as lithium batteries, iron lithium batteries, nickel metal hydride batteries, lead acid batteries, gel batteries and other various models. battery. with a child lock function to prevent accidental touch buttons caused by charging errors.