The TX24-5A and TX24-10A intelligent power supply unit is a high-capacity power output device designed as an external uninterrupted power supply for the controlled devices of the loop. It features automatic output overcurrent protection, over-discharge protection, main/secondary power switch and automatic secondary power charging. It can monitor the main power, secondary power and power output status, report failures, digitally display of output voltage current so for visually observation the working status.