... battery discharge testerRFNT2:With charge and test function&can be connected to computers.RFNT3:With charger and discharge functions&can be ... connected to computers.RFNT4:with Voltage,Current, Capacity,Resistance ,power output testing, ... (10.24in x 9.06in x 5.12in) LCD display to show the parameters Discharge with the loadConnectors,use these for ...