1.Connect the power cord，and after booting， enter the main interface
2.Press and hold the button for 2 seconds to select the battery cut-off voltage.
3.Press the button once to select the charging current.
4. Connected to the battery main port and balance port，the charger will automatically start charging after detecting that the battery voltage is normal.
5.After each power on, you need to press the key once to unlock it before it starts charging automatically.
1.M4AC allows input AC 100-240V， please use normal voltage.
2.Do does not use this product in heat，moisture, flammable or explosive atmospheres.
3.Make sure that the product is running under the attendance of the user.
4.Please unplug the input power when not using this product.
1X iFlight M4AC Charger
1x AC cable