Digital USB Port ABC Tester, Voltmeter, Ammeter, Milliamp Hour, Time (V, A, mAh, T-time) Review

Digital USB port tester, voltmeter, ammeter, milliamp hour, time (V, A, mAh, T-time) This device is designed to measure current, voltage, charge time and charged capacity during the charging period of a mobile device. With it, you can evaluate the quality of chargers, cables and Power Banks. The display shows information about the current voltage, current strength, accepted capacity and time during which the device works. When the tester is disconnected from the network, the received data is saved (time and capacity), upon subsequent connection, the time and capacity counters will continue to count from the saved value. To reset the counters, press the RESET button. Housing material PlasticColor BlueConnectors USB type A male (male)USB type A female (female)Working voltage 3-9V+/-1%Current 0-3A+/-1%Time counter 0-99 H