1. Connect the outlet of the Adapter to the "AC adapter" inlet of ventilator;

 

2. Secondly, plug the adapter into the AC220V socket, then the charge indicator will be on;

 

3. If it is laid up for a long time, the charge time should be in 3-4 hours; if it is lack of capacity, the charge time should be in 2-3hours; if the battery is lack of capacity for a long time, the charge time should be in 8-10 hours;

 

4. After finishing full charge, you'd better take out of the end connected with the charger first, and then take out of the other end connected with the AC Adapter connector;

 

5. You'd better do not use the ventilator when charging.