1pcs 18650 Battery Capacity Tester LCD Display Digital Automatic Charge and Discharge Internal Resistance Tester MAh MWh Lithium Battery Type-C Port Tester with Type-c to USB Cable,Supports four-channel capacity and internal resistance measurement. Applications:The 18650 battery capacity tester is specially used to check the capacity, internal resistance, voltage, current, power and other information of the 18650 battery.The integration of charge and discharge saves the tedious operation of disassembling and assembling the battery when replacing the equipment. The 1.77 inch screen simultaneously displays information such as internal resistance, capacity, voltage, current, and battery level, providing comprehensive data for analysis Working voltage: DC5V; Detection voltage: less than or equal to DC5V; Capacity measurement range: 0-99999mAh; Battery internal resistance measurement: support; Measurement error is about 10%; Display real-time voltage/power/current: support; Discharge load: 10W. Color: As Shown Material: PC Package Contents: 1 x lithium battery test module Only the above package content, other products are not included. 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.