... manufacutrer for laptop battery discharge testerRFNT2:With charge and test function&can be connected to computers.RFNT3:With ... with Voltage,Current, Capacity,Resistance ,power output testing, charge and discharge functionItem SPEC.:• Place of Origin: Guangdong China (Mainland ... Lithium Battery Detectors / Testers for dell, hp, ibm, gateway, and so forth• one independent channels: can be used singly • ...