<p>1. Working voltage: DC5V</p> <p>2. Applicable batteries: All batteries that meet the stop discharge voltage of 2.5~3.5V and start from 2.8V to 4.2V when fully are suitable</p> <p>3. Power supply interface: Type-C power supply interface (power supply and power cord are provided by yourself)</p> <p>4. System language: Chinese, English</p> <p>5. Number of tests: 2-channel charging and discharging measurements</p> <p>6. Internal resistance measurement: Supported, the DC two-wire method is used to test the internal resistance.</p> <p>7. Charging function: Supported, automatically cuts off charging when fully (lithium iron phosphate battery charging is not supported)</p> <p>8. Discharge function: support, automatically stop when conditions are met, discharge current cannot be adjusted</p> <p>9. Automatic charging and discharging: supported, the battery is fully when the automatic mode ends</p> <p>10. Cycle charging and discharging: supported, adjustable from 1 to 9 cycles (only supported in automatic mode)</p> <p>11. Status prompt: Supported</p> <p>12. Cooling method: fan active cooling</p> <p>13. Overheating protection: supported</p> <p>14. Stop discharge voltage: 2.5V, 2.6V, 2.7V, 2.8V, 2.9V, 3.0V, 3.1V, 3.2V, 3.3V, 3.4V, 3.5V, a total of 11 levels adjustable</p> <p>15.Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use</p> <p>16.Colour:As Shown</p> <p>17.Material:PCB</p> <p>Package Contents:</p> <p>1 x Internal Resistance Tester Module</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>