1, the ambient temperature should pay attention to: try to avoid using the temperature too high or too low, you can refer to the working temperature of lithium-ion battery 0-35 degree C, the temperature is too low will make the battery work unstable, inadequate discharge, too high Shorten the life of the electronic device and damage the battery.

2. Voltage matching: The rated output voltage of the mobile power supply is 5V. Generally, it should be controlled within the range of 5V±0.1V. Otherwise, some 5V loads cannot be charged.

3. Current matching: The rated output current of the mobile power supply is generally divided into two cases. The 1A current charges the ordinary mobile phone and the smart phone, and the 2A (or 2.1A) current charges the Apple series or the tablet. At this time, if using 2A or less The output of the mobile power will cause the load to be unfilled, and the use time after charging is short. In this case, it is best to use a dedicated Apple series mobile power supply. It is best to turn off the load for 2A/2.1A current output. Due to the complexity of the function, sometimes it may not be able to charge when booting.

4. Adaptation of the adapter: The mobile power supply charges the load through the USB cable. Therefore, the interface connecting the load must be consistent with the load interface.

5, the quality of the connection line: must choose the USB cable made of international standard wire, otherwise, if the internal resistance of the USB line is too large, it may cause the charging time is too long or the charging fails.

6, the charging environment should be in a ventilated place, can not be placed in the bag to charge the phone. Because the mobile power charging will have a part of the energy consumption into heat, in the bag, the heat dissipation effect is poor. As mentioned above, too high temperature will bring negative effects and even lead to safety accidents.