ITEM NAME:XH-M240 Battery Capacity Tester for 18650 Lithium Discharge Energy Testing Meter Product Description XH-M240 18650 Battery Capacity Meter Power Discharge Module mAh mWh Adjustable Specification: 100% Brand new and high quality. Model: XH-M240 Display Accuracy: 0.1 Measurement Accuracy: 1mAH Power Supply: DC5-12V /18650 Battery Standby Current: 5-7mA Discharge Current: about 500mA Load Power: 10W 8ohm Sizeï ¼Å¡110mm*80mm*25mm Installation Size: 72mm*53mm Mounting Aperture: 3mm Conversion: 1mm=0.039inch, 1inch=25.4mm How to use : 1: Put in the power supply battery to test the battery, turn on the power switch and display 4.1u, that is, the voltage of the test battery is 4.1v 2: Set termination voltage:Press + or - to display the termination voltage, and press + or - to set the termination voltage.(default: 3V) 3: Press the start button to start discharging (discharge current is about 500mA). At this time, the LED displays to detect the remaining battery voltage of 4V 4: Press the battery voltage switch key to mAh , display the discharged 20mAh 5: Press the second button to display 77mWH discharge in mW 6: When the discharge is completed, the display has been discharged 1900mAH, the red indicator light above the reset key is flashing state Package included: 1 x 18650 Battery Capacity Tester (Battery not included) Notice: 1.Please allow 1-3mm error due to manual measurement,Please make sure you do not mind before you.(default: 3V). Load Power: 10W 8ohm. Standby Current: 5-7mA. We will try our best to reduce the risk of the custom duties. We will do our best to help you to resolve your problems.