Welcome to our store! 1. CLEAR DISPLAY: The liquid crystal display is clear and can show the discharge capacity and discharge energy. 2. ACCURATE AND INTELLIGENT: Intelligent chip control provides accurate measurement and supports parameter memory function for easy checking next time. 3. DURABLE AND CONDUCTIVE: Excellent electronic components are used, which are robust and durable, with good conductivity and a long service life. 4. EFFICIENT AND TIME-SAVING: Dual working power supply offers high work efficiency, saving you time. 5. TEST PARAMETERS: This battery capacity tester is used to test the voltage, discharge capacity, and discharge energy of 18650 lithium batteries. Item Type: Lithium Battery Capacity Tester Product Model: XH M239 Supply Voltage: DC5-12V Lithium Battery 18650 (not included) Measurement Accuracy: 1mAH Standby Current: 5mA Discharge Current: Approx. 500mA Load Power: 10W 8Ω Application: Lithium Battery 18650 1 x Lithium Battery Capacity Tester Customers are our top priority. If you encounter any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.