Xiaomi ZMI HA622 Dual USB User Manual

To check if the charger is working properly, connect it to a power source and plug in a device. Ensure the device is charging by looking for the charging icon on the device's display.
The charger is compatible with most USB-powered devices, including smartphones, tablets, and other electronic gadgets that support USB charging.
Ensure the charger is securely plugged into the power outlet and the USB cable is properly connected to both the charger and device. Check if the USB cable is functional by using it with another charger.
Yes, the charger supports a voltage range of 100-240V, making it suitable for international travel. However, you may need a plug adapter for the power outlet.
The maximum output is 18W when using a single port, and when both USB ports are used simultaneously, the total output is shared between them.
To clean, unplug the charger and use a dry, soft cloth to wipe the exterior. Avoid using water or cleaning agents. Regularly inspect the charging ports for dust or debris.
While the charger is designed to be safe, it is generally recommended to unplug chargers when not in use to conserve energy and reduce risk of damage from power surges.
If overheating occurs, unplug the charger immediately and allow it to cool down. Check for any obstructions blocking ventilation, and ensure it is not being used in a high-temperature environment.
Yes, you can charge two devices simultaneously using both USB ports. The total output of 18W will be shared between the two devices.
If the charger stops working, first try using a different power outlet and USB cable. If the problem persists, contact Xiaomi support for further assistance or consider replacing the charger.