1, move the power supply's output voltage range, although some devices have USB interfaces, but also requires you to use the mobile power supply. However, you must pay attention to your device's input voltage range, universal mobile power supply voltage output range is 5.3-0.5V. If your device requires that the input voltage range is not within the scope of mobile power, then, it is recommended that you do not use the mobile power supply for your device to ensure that the service life of your portable power.
2, the USB connector to match, for a variety of different devices for USB data cable. So, for the normal use of mobile power supply for your device, please use the matching USB data interface.
3, move the placement of the power environment all types of appliances need to be placed in a dry, less air humidity conditions and humidity of the environment would be bad for the preservation of various types of electrical, so, to the life of your mobile power, please try to place your mobile power supply in a dry environment.
4, often using your mobile power, mobile power charging and discharging once a month, often used. You can maximize the life of mobile power.