Four Discharge Modes & App Compatibility: The USB load tester supports constant current, constant power, constant resistance, and constant voltage modes. It is compatible with Android and iOS apps, as well as PC BT and wired connections, providing versatile testing options.
High Precision & Upgraded Four-Wire System: Utilizing a four-wire connection, this voltage tester ensures accurate voltage measurements unaffected by wire resistance and its measurement accuracy is comparable to that of large professional instruments. It is also compatible with two-wire connection.
Powerful Performance & ligent Cooling: This lithium battery tester has a high voltage of 200V, a high current of 20A, and a high power of 180W. Equipped with an ligent temperature-controlled colored light fan, strong airflow and low noise, it can extend the service life and support continuous operation of long-term discharge or aging tests.