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Using the mobile power products, also should pay attention to several problems,
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.