I bought this cable to make my own UPS (uninterruptible power supply) for a 5V HD display. The display shows all my weather history but the display will not record data if the device is powered off for more than a few seconds. Using one of the tips provided, I was able to connect my display from a 20,000mAh external battery to a 5V/2.1A USB port. By keeping the battery charged, I don't lose data during a power outage. You never know when an accident, storm or planned outage will occur. This high quality cable makes a fantastic solution for any number of 5V power needs. I will definitely be buying another for another project.
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