Description 1: Specially used to measure capacity 2: The integration of charging and discharging eliminates the operation of disassembling and assembling the battery to replace the charging and discharging of the device 3: The size of the discharge current can be switched and it is convenient to use 4: Small size, easy to carry 5: stable performance Product name: capacity internal resistance tester charging and discharging integrated version Working : DC5V Detection : less than DC5V Capacity measurement range: 0~99999mAh Energy measurement range: 0~99999mWh Battery internal resistance measurement: support, measurement error is about 10% Display real-time : support Display real-time current: support Display real-time power: support Log run time: support Working mode indication: support Current Status Indication: Supported Simultaneous discharge: not supported (simultaneous discharge of Test and external power supply Test is not supported) Discharge load: 10W 8ohmJ cement resistance x 2 Discharge current : 0.5A or 1A Charging interface: Type-C External discharge interface: Type-C Preset discharge stop : 3V (not adjustable) Preset full stop : 4.2V (not adjustable) Data storage: The measurement data is not saved, and the accumulated data is automatically cleared when the power is turned off or when the working mode is switched. Colour:Photo Color Material:ABS Package Contents: 1 x capacity internal resistance detector automatic charging and discharging 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.