5V 2A Type C USB Charging and Discharge Board for Efficient 18650 Battery

18650 Li-ion Battery Capacity Tester Module LCD Display Board USB Type-C 5V 1A

18650 Battery Capacity Resistance Tester Auto Charging Discharge Module 1/2/4 CH

18650 Battery Capacity Resistance Tester Auto Charging Discharge Module

5V 2A Type C USB Charging Discharge Board Bidirectional for 18650 Battery

DC 5V 18650 Battery Capacity Resistance Tester Auto Charging Discharge Module

2/4 Ch 18650 Battery Capacity Resistance Tester Auto Charging Discharge Module

18650 Lithium Battery Capacity Tester Detection Auto Charge/Discharge Module