ac/dc adapter tester rfnt4 1. Test resistance 2. Test ... to computers.RFNT4:with Voltage,Current, Capacity,Resistance ,power output testing, charge and discharge functionItem SPEC.:• Place of Origin: Guangdong ... 99 x 35mm• Unit weight: 333 g• Adapter Input: AC 100~240V Output: DC 19V 4.74A• Display way: segment ... with the loadConnectors,use these for different battery models ac/dc adapter tester rfnt4