Connect the battery charger to the voltage and frequency that is specified on the rating plate.
Put the plug in a grounded socket outlet. The LED on the battery charger flashes green one time.
Note: The battery does not charge if the battery temperature is more than 50 °C/122 °F. If the temperature is more than 50 °C/122 °F, the battery charger makes the battery become cool before the battery charges.