Why Can't My Phone Charge in the Car?

2 Answers
SanBradley
07/28/25 9:21pm
Phone charging issues in cars often occur because the USB port is designed only for playing music from a USB drive, not for charging. Below is relevant information about car USB ports: 1. Usage Method: Insert the USB into the car's USB port. Turn on the device power to use it; you can also copy MP3 music from a computer. 2. Precautions: USB drives require driver loading during use. If the USB drive or phone is occasionally not recognized, try reconnecting it. If a USB drive is unused for a long time, remove it promptly to prevent accelerated aging, as the host system frequently reads and writes to the USB drive, which can affect the host's operating speed. Keep the USB port clean and tidy. Rust, water stains, small debris, or other foreign objects in the USB port can prevent proper connection of the USB drive.
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StReese
08/12/25 2:00am
I often encounter the problem of my phone not charging in the car, which is really annoying! Last week when I drove to the countryside, my phone was almost out of battery, but when I plugged in the charging cable, there was no response at all. I was so anxious that I almost got lost. At first, I thought my phone was broken, but after asking a car repair friend, I learned that there are many common causes: First, the charging cable may be aged or have broken connectors, especially since I was using a cheap one I bought online, which tends to wear out or break after a few uses. Second, the car's charging port or USB port may be dirty or dusty, blocking proper contact. Third, the cigarette lighter adapter may be faulty, with unstable voltage or being a counterfeit product. Fourth, the phone's charging port itself may be dusty or loose and needs to be cleaned with a small brush. Fifth, extreme hot or cold weather can affect battery performance. In my case, the issue was with the cable, and switching to a new one solved the problem. I recommend keeping a high-quality charging cable on hand for emergencies.
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