RUIDENG HD25 HD35 adjustable DC load tester 5-20 volt 35 watt Load tester for batteries with voltage current display

 

we can test batteries and power sources power banks with a meteer in between to test max capbilities or if rated rating are correct.

we can set voltage from 5 volt to 20 volts with button and adjust current with a rotating knob. 

Max power is up to 35 watt.

this is tested in the bellow video.

https://robu.in/product/rd-hd35-trigger-qc2-0-qc3-0-electronic-usb-load-resistor-discharge-battery-test-adjustable-current-voltage-5a-35w/