Comprehensive Li battery testing tool: Specifically designed for Li batteries, this allinone tester integrates charge and discharge capabilities to simplify your battery assessment tasks. Bright TFT LCD display: The large 77 inch display provides clear visibility of critical data including internal resistance, voltage, current, capacity, and power for effective monitoring during tests. Flexible discharge options: Features adjustable discharge current settings around 500mA for user comfort while maintaining precise capacity measurements with a resolution of 1mAh. Benefits at a glance: Reduces testing steps by handling charge and discharge in one tool Realtime visibility of internal resistance, voltage, current, capacity and power on a large display Accurate capacity measurements with 1mAh resolution and configurable discharge rate Use scenarios: In a workshop for routine verification of Li battery capacity and health In a lab or development environment for Li cell evaluation and performance testing For field service or maintenance tasks requiring reliable Li battery checks