The SR4max wireless charger can be charged through Qi wireless charging technology, and it only needs to be close to phones, tablets and other devices equipped with Qi standards to automatically trigger charging. Before use, it is necessary to ensure that the wireless charger and the power adapter are connected properly and have been plugged into the power supply, and it is also necessary to pay attention to keep the distance between the wireless charger and the charging device not too far to ensure the best charging effect. In order to avoid overheating and damage to the battery, it is also necessary to avoid placing the device in a place that is too humid, high temperature or blocked to charge.