M89B Battery Capacity Tester for 18650 Lithium Battery for Energy Discharge Testing Battery Power Detector Sensitive ModuleOOTDTYfeatures: 100% brand new and high qualityThis is a lithium battery capacity tester. It can be used to test the voltage, discharge capacity and discharge energy of 18650 lithium battery. Made of high-quality electronic components, it is sturdy, durable, and has good conductivity and performance, long service life. It can display the discharge capacity and discharge energy. And it supports parameter memory function, convenient for you to check next time. The working power supply ensures high working efficiency and saves time. Specification: Material: Circuit Board Test Voltage: le; 5VVill Frequency: 128 64 px LCDeagh Range: 99999mAhPower Range: 99999mWhTime Range: 999:59:59Working Battery: 18650 Flat BatteryPower Interface: Type-cPower Supply: 5V 1A (Power supply is provided by itself, you can use the mobile phone Charger). Charging mode (charging) and automatic mode (self-test) must be connected to external working power supply for normal use. Size: 11.5x 8cm/4.53x3.15inchesPackage Included: 1 x 18650 Digital Battery Capacity TesterNote: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.