The reason why cell phone charging is slow when charging with usb

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If I charge it with USB in my computer, why is it like that?

714 3 7 years ago

pu1. The difference between fast and slow charging is because of the amount of current, but in the case of usb, the amount of current supplied is not that large. That's why charging is slow

2017-12-04

pu2. Usb was originally made for the purpose of moving data, so... Since it is inconvenient to attach power by plugging a cord into a USB storage device, which is a data storage device, or inserting a battery, the USB port began to supply some power. So USB charging is pretty slow

2017-12-04

pu3. Oh... I see... Thank you

2017-12-04

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