·When the product enters the protection state like short circuit, over-discharge, it will show no output. It can be reactivated by short-pressing the switch button or connecting the external power adapter

·When the ambient temperature exceeds the normal operating range, the protection phenomenon may occur and the discharge will stop. Just move the product to a normal temperature environment and let it stand for a while, and click the button to restore.

·While charging or discharging, some heat may be generated due to energy loss during transmission which is normal. The product has a temperature control mechanism to avoid overheating and damage to the device.

·After fully charging your phone, please disconnect the power promptly. Otherwise, prolonged charging cycles may occur, causing both the device and the phone to continue overheating.