Programmable DC Electronic Load ET54+ USB Connect Single/Dual Channel Meter Battery Capacity Tester 2.8inch Screen ,High Precision

The scan test mode can test the continuity of power output within a certain range; The list test mode can simulate a variety of loading status changes; The short circuit test can be used to simulate load short circuit; Support external trigger input (DB9 interface is required); Built-in buzzer alarm;,Maintain data storage in case of power failure;