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Check the listing for details. 18650 Li-ion Battery Capacity Tester Module LCD Display Board USB Type-C 5V 1A. Condition: New. Listed at 9.23 USD. 18650 battery capacity tester LCD display (with charging function) type-c port. Working battery: flat head 18650 battery. Power interface: Type-C. LCD display. Display mode: 128×64px LCD. AUTO-TEST automatic mode (boot default mode).