XCSOURCE 30A 12V/24V Solar Charge Controller Solar Panel Battery Intelligent Regulator without LCD display LD296 Intelligent control is realized by using microprocessor and dedicated control calculation. Five load working modes: pure lighting control, lighting control & timing control, hand operation and debug mode. Using large-diameter wire terminal, can fix the wire which max size is 6mm Parameter is set to power-down save function, the system model and control parameters, and other important data are stored inside the chip, after power is not lost, to make the adjustment more convenient, more reliable system. Using 2 digital LEDs display and settings, one-button operation to complete all of the settings, intuitive and easy to use.