XH-M239 Li-ion 18650 Battery Charge - Discharge - Capacity Measurement Module

 

XH-M239 Li-ion 18650 Battery Charge - Discharge - Capacity Measurement Module. The 18650 battery operates with 5-12V from the 5.5x2.1mm DC jack or 3.7V from the terminal. You can charge and discharge your 18650 battery and measure its capacity. There is no storage function when closed. When closed, the data is cleared. There are 4 buttons on it to switch between modes and to stop and start. There is a screen on it to display the operations.