MakerHawk Electronic Load Tester – USB Load Tester 150W 200V 20A Resistor
MakerHawk Electronic Load Tester – USB Load Tester 150W 200V 20A Resistor Adjustable Constant Current Battery Capacity Tester Module Intelligent Discha Prevent burning warning: when the input voltage battery and large power test, access must be beforeusing two current adjustment knob counterclockwise to the minimum to zero, then the access, accordingto the priority according to current power to slowly adjust...