LiitoKala S1 Battery USB Charger Smart for 3.2V 3.7V 3.6V 3.8V Batteries
Short press the 'MODE' button to change the charging types of lithium batteries. If no setting, it will default 3.7V li-ion battery automatically. You need to change the mode for 3.85V li-ion and 3.2V LiFePO4 battery.