LiitoKala Lii-M4S Caricabatteria Tester Banca per Batterie Litio AA 1.2V 3.7V
If the battery is not inserted, it will display "null". Within 8 seconds, you can select a current of 300mA/500mA/700mA/1000mA through the current touch point (CURRENT) for charging, and the system will not take any action.